%0 Journal Article %A A. A. Pypka %T On the numerical characteristics of the factors of the central series and their relationships in some algebraic structures %J Problemy fiziki, matematiki i tehniki %D 2017 %P 71-75 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/PFMT_2017_4_a12/ %G ru %F PFMT_2017_4_a12