%0 Journal Article
%A A. D. Gadzhiev
%T The convergence problem for a sequence of positive linear operators on unbounded sets, and theorems analogous to that of P.\,P.~Korovkin
%J Doklady Akademii Nauk
%D 1974
%P 1001-1004
%V 218
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1974_218_5_a0/
%G ru
%F DAN_1974_218_5_a0