TY  - JOUR
AU  - A. D. Mednykh
TI  - On unramified coverings of compact Riemann surfaces
JO  - Doklady Akademii Nauk
PY  - 1979
SP  - 529
EP  - 532
VL  - 244
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1979_244_3_a2/
LA  - ru
ID  - DAN_1979_244_3_a2
ER  -