%0 Journal Article
%A Z. Lipecki
%A W. Thomsen
%T Extensions of positive operators and extreme points. IV
%J Colloquium Mathematicum
%D 1982
%P 269-273
%V 46
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm-46-2-269-273/
%R 10.4064/cm-46-2-269-273
%G en
%F 10_4064_cm_46_2_269_273