%0 Journal Article
%A M. M. Dzhrbashyan
%A V. M. Martirosyan
%T Integral representations and best approximation by generalized polynomials in systems of Mittag-Leffler type
%J Izvestiya. Mathematics 
%D 1984
%P 449-471
%V 23
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_1984_23_3_a2/
%G en
%F IM2_1984_23_3_a2