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@article{DA_1976_15_a2, author = {S. E. Gvozdev}, title = {A generalization of the knapsack problem}, journal = {Diskretnyj analiz i issledovanie operacij}, pages = {16--31}, publisher = {mathdoc}, number = {15}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DA_1976_15_a2/} }
S. E. Gvozdev. A generalization of the knapsack problem. Diskretnyj analiz i issledovanie operacij, no. 15 (1976), pp. 16-31. http://geodesic.mathdoc.fr/item/DA_1976_15_a2/