%0 Journal Article
%A P. Normak
%T On equalizer-flat and pullback-flat acts.
%J Semigroup forum
%D 1987
%P 293-314
%V 36
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1987__36_134903/
%F SF_1987__36_134903