%0 Journal Article
%A Frank Hansen
%A Gerd Kjaergard Pedersen
%T Jensen's Inequality for Operators and Löwner 's Theorem.
%J Mathematische Annalen
%D 1981
%P 229-242
%V 258
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MAN_1981__258_163592/
%F MAN_1981__258_163592