TY  - JOUR
AU  - K. Kh. Boimatov
TI  - Selfadjointness of elliptic second order differential operators
JO  - Differencialʹnye uravneniâ
PY  - 1976
SP  - 2089
EP  - 2091
VL  - 12
IS  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1976_12_11_a21/
LA  - ru
ID  - DE_1976_12_11_a21
ER  -