TY  - JOUR
AU  - I. A. Kipriyanov
TI  - Self-adjoint extensions of certain singular partial differential operators
JO  - Doklady Akademii Nauk
PY  - 1967
SP  - 1236
EP  - 1239
VL  - 176
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1967_176_6_a6/
LA  - ru
ID  - DAN_1967_176_6_a6
ER  -