%0 Journal Article
%A Yu. I. Lyubich
%T Nilpotency of commutative Engel algebras of dimension $n\leqslant 4$ over~$R$
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1977
%V 32
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1977_32_1_a28/
%G ru
%F RM_1977_32_1_a28