TY  - JOUR
AU  - A. B. Vasil'eva
TI  - The influence of local perturbations on the solution of a boundary value problem
JO  - Differencialʹnye uravneniâ
PY  - 1972
SP  - 581
EP  - 589
VL  - 8
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1972_8_4_a1/
LA  - ru
ID  - DE_1972_8_4_a1
ER  -