Operations Research, Volume 31

Volume 31, Number 1, January / February 1983

Volume 31, Number 2, March / April 1983

Volume 31, Number 3, May / June 1983

Volume 31, Number 4, July / August 1983

Volume 31, Number 5, September / October 1983

Volume 31, Number 6, November / December 1983

maintained by Schloss Dagstuhl LZI, founded at University of Trier