TY  - JOUR
AU  - V. M. Tikhomirov
TI  - Some problems in approximation theory
JO  - Doklady Akademii Nauk
PY  - 1965
SP  - 774
EP  - 777
VL  - 160
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1965_160_4_a9/
LA  - ru
ID  - DAN_1965_160_4_a9
ER  -