TY  - JOUR
AU  - Gert K. Petersen
TI  - Approximating Derivations on Ideals of C*-Algebras.
JO  - Inventiones mathematicae
PY  - 1978
SP  - 299
EP  - 305
VL  - 45
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1978__45_142548/
ID  - IM_1978__45_142548
ER  -