TY  - JOUR
AU  - L. S. Dzhanlatyan
TI  - Basis Properties of the System of Root Vectors for Weak Perturbations of a Normal Operator
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 1994
SP  - 69
EP  - 73
VL  - 28
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_1994_28_3_a6/
LA  - ru
ID  - FAA_1994_28_3_a6
ER  -