%0 Journal Article
%A Yu. G. Abakumov
%A V. G. Banin
%T On approximation by linear quasi-positive and positive operators on a~finite interval
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1993
%P 80-82
%N 11
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1993_11_a13/
%G ru
%F IVM_1993_11_a13