TY  - JOUR
AU  - Sakari Toppila
TI  - On the spherical derivative of a meromorphic function with a Nevanlinna deficient value
JO  - Annales Fennici Mathematici
PY  - 1983
SP  - 235
EP  - 245
VL  - 8
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1983.0825/
DO  - 10.5186/aasfm.1983.0825
LA  - en
ID  - AFM_1983_8_2_a2
ER  -