TY  - JOUR
AU  - M. Sh. Farber
TI  - Mappings into a circle with a minimal number of critical points
JO  - Doklady Akademii Nauk
PY  - 1984
SP  - 43
EP  - 46
VL  - 279
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1984_279_1_a9/
LA  - ru
ID  - DAN_1984_279_1_a9
ER  -