%0 Journal Article
%A Marvi W. Grossman
%T Korovkin Theorems for Adapted Spaces with Respect to a Positive Operator.
%J Mathematische Annalen
%D 1976
%P 253-262
%V 220
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MAN_1976__220_162825/
%F MAN_1976__220_162825