TY  - JOUR
AU  - P. I. Ruban
AU  - K. V. Krasil'nikov
TI  - A method of approximating by trigonometric polynomial functions of two variables satisfying a Lipschitz condition
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1963
SP  - 135
EP  - 136
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1963_3_a18/
LA  - ru
ID  - IVM_1963_3_a18
ER  -