TY  - JOUR
AU  - I. N. Dolgikh
AU  - K. A. Mirzoev
TI  - Deficiency indices and spectrum of self-adjoint extensions of some classes of differential operators
JO  - Sbornik. Mathematics
PY  - 2006
SP  - 525
EP  - 546
VL  - 197
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_2006_197_4_a2/
LA  - en
ID  - SM_2006_197_4_a2
ER  -