%0 Journal Article %A Libura, Marek %T On the robustness of optimal solutions for combinatorial optimization problems %J Control and Cybernetics %D 2009 %P 671-685 %V 38 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CC_2009_38_3_a7/ %G en %F CC_2009_38_3_a7