TY  - JOUR
AU  - Ong, Sing-Cheong
TI  - Operator Topologies and Invariant Operator Ranges
JO  - Canadian mathematical bulletin
PY  - 1981
SP  - 181
EP  - 185
VL  - 24
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1981-029-x/
DO  - 10.4153/CMB-1981-029-x
ID  - 10_4153_CMB_1981_029_x
ER  -