%0 Journal Article %A S. I. Rabinovich %T Approximation of functions defined on a finite segment or on a system of segments by trigonometric polynomials %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1966 %P 115-123 %N 1 %U http://geodesic.mathdoc.fr/item/IVM_1966_1_a13/ %G ru %F IVM_1966_1_a13