R. Helming

A note on the Pivot and Complement heuristic for 0-1 programming problems

Kurt Jörnsten, Ronny Aboudi, Åsa Hallefjord, 1989 .

Computing the nucleolus when the characteristic function is given implicitly: A constraint generation approach

Å. Hallefjord, R. Helming, K. Jørnsten, 1995 .

A Simulated Annealing Algorithm for General Zero-One Programming Problems

K. Jörnsten, R. Helming, 1991 .