Zeitschrift für Operations-Research, Volume 31

Volume 31, Number 1, January 1987

Volume 31, Number 2, March 1987

Volume 31, Number 3, May 1987

Volume 31, Number 4, July 1987

Volume 31, Number 5, September 1987

Volume 31, Number 6, November 1987

maintained by Schloss Dagstuhl LZI at University of Trier