%0 Journal Article %A V. N. Kniahina %T On the product of a $B$-group and a primary group %J Problemy fiziki, matematiki i tehniki %D 2017 %P 52-57 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/PFMT_2017_3_a8/ %G ru %F PFMT_2017_3_a8