%0 Journal Article
%A L.N. Shevrin
%A A.J. Ovsyannikov
%T Semigroups and their subsemigroup lattices.
%J Semigroup forum
%D 1983
%P 1-154
%V 27
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1983__27_134621/
%F SF_1983__27_134621