TY  - JOUR
AU  - V. I. Gavrilov
TI  - Some classes of meromorphic functions characterized by their spherical derivative
JO  - Izvestiya. Mathematics 
PY  - 1968
SP  - 687
EP  - 694
VL  - 2
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_1968_2_4_a0/
LA  - en
ID  - IM2_1968_2_4_a0
ER  -