TY  - JOUR
AU  - M. O. Otelbaev
TI  - A criterion for the coincidence of extensions, corresponding to Dirichlet's and Neumann's problems, of an elliptic operator
JO  - Matematičeskie zametki
PY  - 1981
SP  - 867
EP  - 875
VL  - 29
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1981_29_6_a7/
LA  - ru
ID  - MZM_1981_29_6_a7
ER  -