%0 Journal Article %A Cappell, Sylvain E. %A Shaneson, Julius L. %T Stratifiable maps and topological invariants %J Journal of the American Mathematical Society %D 1991 %P 521-551 %V 04 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-1991-1102578-4/ %R 10.1090/S0894-0347-1991-1102578-4 %F 10_1090_S0894_0347_1991_1102578_4