%0 Journal Article
%A D.N. Holtzman
%T Product structures in pyramids of higher order cohomology operations.
%J Mathematica Scandinavica
%D 1985
%P 155-170
%V 57
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MS2_1985__57_166946/
%F MS2_1985__57_166946