TY  - JOUR
AU  - Eberhard Kirchberg
TI  - On non-semisplit extensions, tensor products and exactness of group C*-algebras.
JO  - Inventiones mathematicae
PY  - 1993
SP  - 449
EP  - 490
VL  - 112
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1993__112_3_144111/
ID  - IM_1993__112_3_144111
ER  -