TY  - JOUR
AU  - M. I. Gil
TI  - On an estimate for the norm of a function of a quasihermitian operator
JO  - Studia Mathematica
PY  - 1992
SP  - 17
EP  - 24
VL  - 103
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/sm-103-1-17-24/
DO  - 10.4064/sm-103-1-17-24
LA  - en
ID  - 10_4064_sm_103_1_17_24
ER  -