TY  - JOUR
AU  - A. A. Lyashenko
TI  - On the completeness of the system of generalized eigenfunctions of an operator generated by the first boundary value problem for the 

JO  - Doklady Akademii Nauk
PY  - 1991
SP  - 278
EP  - 282
VL  - 319
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1991_319_2_a4/
LA  - ru
ID  - DAN_1991_319_2_a4
ER  -