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"Covers and blocking sets of classical generalized quadrangles."
Jörg Eisfeld et al. (2001)
- Jörg Eisfeld, Leo Storme
, Tamás Szonyi, Péter Sziklai:
Covers and blocking sets of classical generalized quadrangles. Discret. Math. 238(1-3): 35-51 (2001)
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