TY  - JOUR
AU  - Yu. B. Orochko
TI  - Some properties of the deficiency indices of symmetric singular elliptic second-order operators in~$L^2(\mathbb R^m)$
JO  - Izvestiya. Mathematics 
PY  - 1997
SP  - 969
EP  - 994
VL  - 61
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_1997_61_5_a3/
LA  - en
ID  - IM2_1997_61_5_a3
ER  -