%0 Journal Article
%A Z. Lipecki
%A D. Plachky
%A W. Thomsen
%T Extensions of positive operators and extreme points. I
%J Colloquium Mathematicum
%D 1979
%P 279-284
%V 42
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm-42-1-279-284/
%R 10.4064/cm-42-1-279-284
%G en
%F 10_4064_cm_42_1_279_284