TY - JOUR AU - S. I. Rabinovich TI - Approximation of functions defined on a~finite segment or on a~system of segments by trigonometric polynomials JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1966 SP - 115 EP - 123 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1966_1_a13/ LA - ru ID - IVM_1966_1_a13 ER -