TY  - JOUR
AU  - V. N. Rusak
TI  - Exact orders of best rational approximations for classes of
JO  - Doklady Akademii Nauk
PY  - 1984
SP  - 810
EP  - 812
VL  - 279
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1984_279_4_a9/
LA  - ru
ID  - DAN_1984_279_4_a9
ER  -