TY  - JOUR
AU  - M. L. Gorbachuk
AU  - A. N. Kochubei
TI  - Selfadjoint boundary value problems for certain classes of differential- operator equations of higher order
JO  - Doklady Akademii Nauk
PY  - 1971
SP  - 1029
EP  - 1032
VL  - 201
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1971_201_5_a4/
LA  - ru
ID  - DAN_1971_201_5_a4
ER  -