%0 Journal Article
%A M. Putcha
%T Idempotent cross-sections of J-classes.
%J Semigroup forum
%D 1983
%P 103-110
%V 26
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1983__26_134595/
%F SF_1983__26_134595