TY  - JOUR
AU  - J. B. Farforovskaja
TI  - On the difference $f(B)-f(A)$ for unbounded self-adjoint operators in the perturbation theory
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 1982
SP  - 213
EP  - 221
VL  - 107
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_1982_107_a17/
LA  - ru
ID  - ZNSL_1982_107_a17
ER  -