TY  - JOUR
AU  - M. I. Gil'
TI  - Estimates of the norm of the resolvent of a non-self-adjoint operator which is ``nearly'' self-adjoint or unitary
JO  - Matematičeskie zametki
PY  - 1983
SP  - 161
EP  - 167
VL  - 33
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1983_33_2_a0/
LA  - ru
ID  - MZM_1983_33_2_a0
ER  -