%0 Journal Article
%A M.J. Frank
%T On the simultaneous associativity of F(x, y) and x + y - F(x, y).
%J Aequationes mathematicae
%D 1979
%P 194-226
%V 19
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1979__19_136825/
%F AM2_1979__19_136825