%0 Journal Article
%A S. L. Blyumin
%T Certain properties of a~class of multiplicative systems and questions of approximation of functions by polynomials in these systems.
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1968
%P 13-22
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1968_4_a2/
%G ru
%F IVM_1968_4_a2