%0 Journal Article
%A Almeida, Jorge
%T Some Order Properties of the Lattice of Varieties of Commutative Semigroups
%J Canadian journal of mathematics
%D 1986
%P 19-47
%V 38
%N 1
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1986-002-x/
%R 10.4153/CJM-1986-002-x
%F 10_4153_CJM_1986_002_x