TY  - JOUR
AU  - V. F. Babenko
TI  - Nonsymmetric extremal problems in approximation theory
JO  - Doklady Akademii Nauk
PY  - 1983
SP  - 521
EP  - 524
VL  - 269
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1983_269_3_a0/
LA  - ru
ID  - DAN_1983_269_3_a0
ER  -