%0 Journal Article %A V. N. Kniahina %T On the $p$-length of a product of two $B$-groups %J Problemy fiziki, matematiki i tehniki %D 2024 %P 48-52 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/PFMT_2024_4_a7/ %G ru %F PFMT_2024_4_a7