TY  - JOUR
AU  - Heinz G. Helfenstein
TI  - Analytic Maps Between Tori.
JO  - Commentarii mathematici Helvetici
PY  - 1970
SP  - 530
EP  - 539
VL  - 45
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMH_1970__45_139456/
ID  - CMH_1970__45_139456
ER  -