TY  - JOUR
AU  - Wu, Pei Yuan
TI  - Products of Normal Operators
JO  - Canadian journal of mathematics
PY  - 1988
SP  - 1322
EP  - 1330
VL  - 40
IS  - 6
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1988-059-5/
DO  - 10.4153/CJM-1988-059-5
ID  - 10_4153_CJM_1988_059_5
ER  -