@article{PFMT_2017_3_a8, author = {V. N. Kniahina}, title = {On the product of a $B$-group and a primary group}, journal = {Problemy fiziki, matematiki i tehniki}, pages = {52--57}, publisher = {mathdoc}, number = {3}, year = {2017}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/PFMT_2017_3_a8/} }