%0 Journal Article
%A Ralph Stöhr
%T A generalized Hopf formula for higher homology groups.
%J Commentarii mathematici Helvetici
%D 1989
%P 187-199
%V 64
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMH_1989__64_1_140148/
%F CMH_1989__64_1_140148