%0 Journal Article
%A R. M. Trigub
%T The approximation of functions by polynomials with special coefficients
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1977
%P 93-99
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1977_1_a11/
%G ru
%F IVM_1977_1_a11