TY  - JOUR
AU  - S. I. Rabinovich
TI  - On extremum functions in some problems of the approximation theory
JO  - Doklady Akademii Nauk
PY  - 1958
SP  - 977
EP  - 979
VL  - 121
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1958_121_6_a5/
LA  - ru
ID  - DAN_1958_121_6_a5
ER  -