TY  - JOUR
AU  - Yu. I. Lyubich
TI  - Completeness conditions for a~system of eigenvectors of a~correct operator
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1963
VL  - 18
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1963_18_1_a10/
LA  - ru
ID  - RM_1963_18_1_a10
ER  -