%0 Journal Article
%A Cao, Jia-Ding
%A Gonska, Heinz H.
%T Pointwise estimates for modified positive linear operators
%J Portugaliae mathematica
%D 1989
%P 401-430
%V 46
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/PORMA_1989__46_4_115681/
%G en
%F PORMA_1989__46_4_115681