TY  - JOUR
AU  - A. N. Protopopov
TI  - Homeomorphisms of branched coverings of a two-dimensional sphere
JO  - Doklady Akademii Nauk
PY  - 1986
SP  - 792
EP  - 795
VL  - 290
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1986_290_4_a4/
LA  - ru
ID  - DAN_1986_290_4_a4
ER  -