TY  - JOUR
AU  - Heydar Radjavi
AU  - Ping-Kwan Tam
AU  - Kok-Keong Tan
TI  - A perturbation characterization of compactness
 of self-adjoint operators
JO  - Studia Mathematica
PY  - 2003
SP  - 199
EP  - 205
VL  - 158
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/sm158-3-1/
DO  - 10.4064/sm158-3-1
LA  - en
ID  - 10_4064_sm158_3_1
ER  -