%0 Journal Article %A Schultz, Reinhard %T A Generalization of Thom Classes and Characteristic Classes to Nonspherical Fibrations %J Canadian journal of mathematics %D 1974 %P 138-144 %V 26 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1974-015-4/ %R 10.4153/CJM-1974-015-4 %F 10_4153_CJM_1974_015_4