%0 Journal Article
%A V. Yu. Shaprynskii
%T The periodicity of special elements in the lattice of semigroup varieties
%J Trudy Instituta matematiki i mehaniki
%D 2012
%P 282-286
%V 18
%N 3
%U http://geodesic.mathdoc.fr/item/TIMM_2012_18_3_a30/
%G ru
%F TIMM_2012_18_3_a30