%0 Journal Article %A V. P. Platonov %T Engel elements and the radical in $PI$ -algebras and topological groups %J Doklady Akademii Nauk %D 1965 %P 288-291 %V 161 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1965_161_2_a8/ %G ru %F DAN_1965_161_2_a8