%0 Journal Article %A A. A. Ageev %T Algorithms with improved estimates for accuracy for the set covering problem %J Diskretnyj analiz i issledovanie operacij %D 2004 %P 3-10 %V 11 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DA_2004_11_1_a0/ %G ru %F DA_2004_11_1_a0