%0 Journal Article
%A K. Denecke
%A J. Koppitz
%T Hyperassociative varieties of semigroups.
%J Semigroup forum
%D 1994
%P 41-48
%V 49
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1994__49_2_135332/
%F SF_1994__49_2_135332