%0 Journal Article
%A J. Kadourek
%T On varieties of combinatorial inverse semigroups I.
%J Semigroup forum
%D 1991
%P 305-330
%V 43
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1991__43_3_135118/
%F SF_1991__43_3_135118