%0 Journal Article
%A H. Storrer
%T An algebraic proof of Isbell' s zigzag theorem.
%J Semigroup forum
%D 1976
%P 83-88
%V 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1976__12_134160/
%F SF_1976__12_134160