TY  - JOUR
AU  - N. M. Krukovskii
TI  - The $m$-fold completeness of the system of generalized eigen- and associated functions of a nonselfadjoint elliptic operator, and the membership of the classical eigen- and associated functions of the operator in the class $W_2^1$
JO  - Differencialʹnye uravneniâ
PY  - 1976
SP  - 1832
EP  - 1841
VL  - 12
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1976_12_10_a10/
LA  - ru
ID  - DE_1976_12_10_a10
ER  -