TY  - JOUR
AU  - Choi, Man-Duen
TI  - Positive Linear Maps on C*-Algebras
JO  - Canadian journal of mathematics
PY  - 1972
SP  - 520
EP  - 529
VL  - 24
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1972-044-5/
DO  - 10.4153/CJM-1972-044-5
ID  - 10_4153_CJM_1972_044_5
ER  -