TY  - JOUR
AU  - A. A. Gonchar
TI  - Best approximations of measurable functions by rational functions and polynomials
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1960
SP  - 74
EP  - 81
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1960_6_a7/
LA  - ru
ID  - IVM_1960_6_a7
ER  -