TY  - JOUR
AU  - Matti Honkapohja
TI  - Degree and point-inverses of mappings on spheres
JO  - Annales Fennici Mathematici
PY  - 1969
VL  - 421-450
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1969.447/
DO  - 10.5186/aasfm.1969.447
LA  - en
ID  - AFM_1969_421-450_a3
ER  -