TY  - JOUR
AU  - G. Ts. Tumarkin
TI  - On simultaneous approximation in the mean of complex-valued functions given along several closed curves
JO  - Doklady Akademii Nauk
PY  - 1957
SP  - 710
EP  - 713
VL  - 114
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1957_114_4_a8/
LA  - ru
ID  - DAN_1957_114_4_a8
ER  -