TY  - JOUR
AU  - Bourgin, D. G.
TI  - A Generalization of the Mapping Degree
JO  - Canadian journal of mathematics
PY  - 1974
SP  - 1109
EP  - 1117
VL  - 26
IS  - 5
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1974-103-2/
DO  - 10.4153/CJM-1974-103-2
ID  - 10_4153_CJM_1974_103_2
ER  -