TY  - JOUR
AU  - Choi, Man-Duen
AU  - Effros, Edward G.
TI  - Lifting Problems and the Cohomology of C*-Algebras
JO  - Canadian journal of mathematics
PY  - 1977
SP  - 1092
EP  - 1111
VL  - 29
IS  - 5
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1977-108-x/
DO  - 10.4153/CJM-1977-108-x
ID  - 10_4153_CJM_1977_108_x
ER  -