TY  - JOUR
AU  - Jörg Winkler
AU  - Sakari Toppila
TI  - On the Spherical Derivative of a Meromorphic Function with a Valiron Deficient Value.
JO  - Mathematische Zeitschrift
PY  - 1982
SP  - 545
EP  - 552
VL  - 180
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1982__180_173211/
ID  - MZ_1982__180_173211
ER  -