%0 Journal Article
%A A. Yu. Chirkov
%A V. N. Shevchenko
%T On the approximation of an optimal solution of the integer knapsack problem by optimal solutions of the integer knapsack problem with a~restriction on the cardinality
%J Diskretnyj analiz i issledovanie operacij
%D 2006
%P 56-73
%V 13
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DA_2006_13_2_a4/
%G ru
%F DA_2006_13_2_a4