TY  - JOUR
AU  - G. P. Gubanov
TI  - The estimation of approximations of functions of two variables of Lipschitz class by trigonometric polynomials
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1971
SP  - 49
EP  - 62
IS  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1971_12_a5/
LA  - ru
ID  - IVM_1971_12_a5
ER  -