%0 Journal Article %A Bourgin, D. G. %T A Generalization of the Mapping Degree %J Canadian journal of mathematics %D 1974 %P 1109-1117 %V 26 %N 5 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1974-103-2/ %R 10.4153/CJM-1974-103-2 %F 10_4153_CJM_1974_103_2