TY  - JOUR
AU  - Bernard Gelbaum
TI  - On a class of operators in Hilbert space
JO  - Studia Mathematica
PY  - 1970
SP  - 279
EP  - 284
VL  - 38
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/sm-38-1-279-284/
DO  - 10.4064/sm-38-1-279-284
LA  - en
ID  - 10_4064_sm_38_1_279_284
ER  -