TY  - JOUR
AU  - I. V. Gel'man
TI  - Stability of abstract boundary value problems in a bounded region under weak perturbations of boundary operators
JO  - Doklady Akademii Nauk
PY  - 1968
SP  - 264
EP  - 266
VL  - 179
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1968_179_2_a3/
LA  - ru
ID  - DAN_1968_179_2_a3
ER  -