TY  - JOUR
AU  - Z. Lipecki
TI  - Extensions of positive operators and extreme points. II
JO  - Colloquium Mathematicum
PY  - 1979
SP  - 285
EP  - 289
VL  - 42
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-42-1-285-289/
DO  - 10.4064/cm-42-1-285-289
LA  - en
ID  - 10_4064_cm_42_1_285_289
ER  -