%0 Journal Article %A L. E. Evtushik %T On a construction of invariant forms and structural equations of infinite groups %J Doklady Akademii Nauk %D 1962 %P 20-21 %V 146 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1962_146_1_a4/ %G ru %F DAN_1962_146_1_a4