%0 Journal Article %A A. V. Plyasunov %T A two-level linear programming problem with a multivariant knapsack at the lower level %J Diskretnyj analiz i issledovanie operacij %D 2003 %P 44-52 %V 10 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DA_2003_10_1_a2/ %G ru %F DA_2003_10_1_a2