TY  - JOUR
AU  - N. M. Krukovskii
TI  - Letter to the editors: ``Theorems on the $m$-fold completeness of the generalized eigen- and associated functions from $W_2^1$ 

JO  - Differencialʹnye uravneniâ
PY  - 1977
SP  - 1344
VL  - 13
IS  - 7
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1977_13_7_a27/
LA  - ru
ID  - DE_1977_13_7_a27
ER  -