%0 Journal Article %A V. G. Sargsyan %T On the maximum cardinality of a~$k$-zero-free set in an Abelian group %J Diskretnyj analiz i issledovanie operacij %D 2013 %P 45-64 %V 20 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DA_2013_20_3_a2/ %G ru %F DA_2013_20_3_a2