%0 Journal Article %A A. D. Korshunov %T On the complexity of coverings of numerical sets by arithmetic progressions %J Diskretnyj analiz i issledovanie operacij %D 1994 %P 40-60 %V 1 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DA_1994_1_2_a3/ %G ru %F DA_1994_1_2_a3