TY  - JOUR
AU  - Crabb, M. J.
AU  - Spain, P. G.
TI  - Commutators and normal operators
JO  - Glasgow mathematical journal
PY  - 1977
SP  - 197
EP  - 198
VL  - 18
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.1017/S001708950000327X/
DO  - 10.1017/S001708950000327X
ID  - 10_1017_S001708950000327X
ER  -