%0 Journal Article
%A L.M. Shneerson
%T On the axiomatic rank of varieties generated by a semigroup or monoid with one defining relation.
%J Semigroup forum
%D 1989
%P 17-38
%V 39
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1989__39_2_134971/
%F SF_1989__39_2_134971