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@article{DBLP:journals/jct/AbbottH72, author = {H. L. Abbott and Denis Hanson}, title = {Lower Bounds for Certain Types of van der Waerden Numbers}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {1}, pages = {143--146}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90089-1}, doi = {10.1016/0097-3165(72)90089-1}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/AbbottH72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/AbbottH72a, author = {H. L. Abbott and Denis Hanson and Norbert Sauer}, title = {Intersection Theorems for Systems of Sets}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {3}, pages = {381--389}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90103-3}, doi = {10.1016/0097-3165(72)90103-3}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/AbbottH72a.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/Aberth72, author = {Oliver Aberth}, title = {Tensor Representation of Finite Groups}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {1}, pages = {21--30}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90082-9}, doi = {10.1016/0097-3165(72)90082-9}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/Aberth72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/Alltop72, author = {William O. Alltop}, title = {An Infinite Class of 5-Designs}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {3}, pages = {390--395}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90104-5}, doi = {10.1016/0097-3165(72)90104-5}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/Alltop72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/BerlekampH72, author = {Elwyn R. Berlekamp and Frank K. Hwang}, title = {Constructions for Balanced Howell Rotations for Bridge Tournaments}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {2}, pages = {159--166}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90033-7}, doi = {10.1016/0097-3165(72)90033-7}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/BerlekampH72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/Bertram72, author = {Edward A. Bertram}, title = {Even Permutations as a Product of Two Conjugate Cycles}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {3}, pages = {368--380}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90102-1}, doi = {10.1016/0097-3165(72)90102-1}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/Bertram72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/Bhat72, author = {Vasanti N. Bhat}, title = {Non-Isomorphic Solutions of Some Balanced Incomplete Block Designs {II}}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {2}, pages = {217--224}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90037-4}, doi = {10.1016/0097-3165(72)90037-4}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/Bhat72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/Bhat72a, author = {Vasanti N. Bhat}, title = {Non-Isomorphic Solutions of Some Balanced Incomplete Block Designs {III}}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {2}, pages = {225--252}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90038-6}, doi = {10.1016/0097-3165(72)90038-6}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/Bhat72a.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/Bhat72b, author = {Vasanti N. Bhat}, title = {On Inequivalent Balanced Incomplete Block Designs {II}}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {2}, pages = {260--267}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90040-4}, doi = {10.1016/0097-3165(72)90040-4}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/Bhat72b.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/Bridges72a, author = {William G. Bridges}, title = {A Note on Generalized (n, K, lambda)-Systems}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {3}, pages = {311--315}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90093-3}, doi = {10.1016/0097-3165(72)90093-3}, timestamp = {Sat, 01 Jan 2022 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/Bridges72a.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/Brown72, author = {John Wesley Brown}, title = {An Extension of Mann's Theorem to a Triple of Mutually Orthogonal Latin Squares of Order 10}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {3}, pages = {316--318}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90094-5}, doi = {10.1016/0097-3165(72)90094-5}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/Brown72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/Bruijn72, author = {N. G. de Bruijn}, title = {Enumeration of Mapping Patterns}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {1}, pages = {14--20}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90081-7}, doi = {10.1016/0097-3165(72)90081-7}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/Bruijn72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/Chang72, author = {C. C. Chang}, title = {A Partition Theorem for the Complete Graph on omega\({}^{\mbox{omega}}\)}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {3}, pages = {396--452}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90105-7}, doi = {10.1016/0097-3165(72)90105-7}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/Chang72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/Csima72, author = {J. Csima}, title = {Restricted Patterns}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {3}, pages = {346--356}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90100-8}, doi = {10.1016/0097-3165(72)90100-8}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/Csima72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/CsimaD72, author = {J. Csima and B. N. Datta}, title = {The {DAD} Theorem for Symmetric Non-negative Matrices}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {1}, pages = {147--152}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90090-8}, doi = {10.1016/0097-3165(72)90090-8}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/CsimaD72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/Fredricksen72, author = {Harold Fredricksen}, title = {Generation of the Ford Sequence of Length 2\({}^{\mbox{n}}\), n Large}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {1}, pages = {153--154}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90091-X}, doi = {10.1016/0097-3165(72)90091-X}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/Fredricksen72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/Gerber72, author = {Leon Gerber}, title = {Spheres Tangent to All the Faces of a Simplex}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {3}, pages = {453--456}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90106-9}, doi = {10.1016/0097-3165(72)90106-9}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/Gerber72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/GowerP72, author = {John C. Gower and Donald A. Preece}, title = {Generating Successive Incomplete Blocks with Each Pair of Elements in at Least One Block}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {1}, pages = {81--97}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90085-4}, doi = {10.1016/0097-3165(72)90085-4}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/GowerP72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/Graver72, author = {Jack E. Graver}, title = {A Characterization of Symmetric Block Designs}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {2}, pages = {304--308}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90045-3}, doi = {10.1016/0097-3165(72)90045-3}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/Graver72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/Hanani72, author = {Haim Hanani}, title = {On Balanced Incomplete Block Designs with Blocks Having Five Elements}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {2}, pages = {184--201}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90035-0}, doi = {10.1016/0097-3165(72)90035-0}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/Hanani72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/Hansel72, author = {Georges Hansel}, title = {Complexes et D{\'{e}}compositions Binomiales}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {2}, pages = {167--183}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90034-9}, doi = {10.1016/0097-3165(72)90034-9}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/Hansel72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/Harborth72, author = {Heiko Harborth}, title = {Solution of Steinhaus's Problem with Plus and Minus Signs}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {2}, pages = {253--259}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90039-8}, doi = {10.1016/0097-3165(72)90039-8}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/Harborth72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/HartfielC72, author = {Darald J. Hartfiel and J. W. Crosby}, title = {A Lower Bound for the Permanent on U\({}_{\mbox{n}}\)(k, k)}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {2}, pages = {283--288}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90042-8}, doi = {10.1016/0097-3165(72)90042-8}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/HartfielC72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/JohnsonV72, author = {Larry S. Johnson and Verne J. Varineau}, title = {On Quasi-conjugate N-tuples of Matrices}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {1}, pages = {1--13}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90080-5}, doi = {10.1016/0097-3165(72)90080-5}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/JohnsonV72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/Justin72, author = {J. Justin}, title = {G{\'{e}}n{\'{e}}ralisation du Th{\'{e}}or{\`{e}}me de van der Waerden sur les Semi-groupes R{\'{e}}p{\'{e}}titifs}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {3}, pages = {357--367}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90101-X}, doi = {10.1016/0097-3165(72)90101-X}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/Justin72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/Kelly72, author = {Douglas G. Kelly}, title = {A Condition Equivalent to Ferromagnetism for a Generalized Ising Model}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {3}, pages = {326--331}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90097-0}, doi = {10.1016/0097-3165(72)90097-0}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/Kelly72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/Levow72, author = {Roy B. Levow}, title = {Lower Bounds for Permanents of Incidence Matrices}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {2}, pages = {297--303}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90044-1}, doi = {10.1016/0097-3165(72)90044-1}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/Levow72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/Luxemburg72, author = {W. A. J. Luxemburg}, title = {On an Inequality of A. Khintchine for Zero-One Matrices}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {2}, pages = {289--296}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90043-X}, doi = {10.1016/0097-3165(72)90043-X}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/Luxemburg72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/MerrisP72, author = {Russell Merris and Stephen Pierce}, title = {The Bell Numbers and r-fold Transitivity}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {1}, pages = {155--157}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90092-1}, doi = {10.1016/0097-3165(72)90092-1}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/MerrisP72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/Payne72, author = {Stanley E. Payne}, title = {On the Non-Existence of a Class of Configurations Which Are Nearly Generalized n-Gons}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {2}, pages = {268--282}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90041-6}, doi = {10.1016/0097-3165(72)90041-6}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/Payne72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/Pless72, author = {Vera Pless}, title = {Symmetry Codes over {GF(3)} and New Five-Designs}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {1}, pages = {119--142}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90088-X}, doi = {10.1016/0097-3165(72)90088-X}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/Pless72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/Quenneau72, author = {Raymond Quenneau}, title = {Sur les Suites s-additives}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {1}, pages = {31--71}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90083-0}, doi = {10.1016/0097-3165(72)90083-0}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/Quenneau72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/ReidB72, author = {K. B. Reid and Ezra Brown}, title = {Doubly Regular Tournaments are Equivalent to Skew Hadamard Matrices}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {3}, pages = {332--338}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90098-2}, doi = {10.1016/0097-3165(72)90098-2}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/ReidB72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/RiordanS72, author = {John Riordan and Paul R. Stein}, title = {Arrangements on Chessboards}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {1}, pages = {72--80}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90084-2}, doi = {10.1016/0097-3165(72)90084-2}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/RiordanS72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/Ryser72, author = {H. J. Ryser}, title = {Symmetric Designs and Related Configurations}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {1}, pages = {98--111}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90086-6}, doi = {10.1016/0097-3165(72)90086-6}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/Ryser72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/Sioson72, author = {Federico M. Sioson}, title = {Counting Elements in Semigroups}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {3}, pages = {339--345}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90099-4}, doi = {10.1016/0097-3165(72)90099-4}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/Sioson72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/StantonH72, author = {R. G. Stanton and Joseph Douglas Horton}, title = {A Multiplication Theorem for Room Squares}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {3}, pages = {322--325}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90096-9}, doi = {10.1016/0097-3165(72)90096-9}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/StantonH72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/Turyn72, author = {Richard J. Turyn}, title = {An Infinite Class of Williamson Matrices}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {3}, pages = {319--321}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90095-7}, doi = {10.1016/0097-3165(72)90095-7}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/Turyn72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/Voloshin72, author = {Yu. M. Voloshin}, title = {Enumeration of Function Compositions}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {2}, pages = {202--216}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90036-2}, doi = {10.1016/0097-3165(72)90036-2}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/Voloshin72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
@article{DBLP:journals/jct/Wallis72, author = {Jennifer Wallis}, title = {On Integer Matrices Obeying Certain Matrix Equations}, journal = {J. Comb. Theory, Ser. {A}}, volume = {12}, number = {1}, pages = {112--118}, year = {1972}, url = {https://doi.org/10.1016/0097-3165(72)90087-8}, doi = {10.1016/0097-3165(72)90087-8}, timestamp = {Tue, 16 Feb 2021 00:00:00 +0100}, biburl = {https://dblp.org/rec/journals/jct/Wallis72.bib}, bibsource = {dblp computer science bibliography, https://dblp.org} }
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