%0 Journal Article
%A L. S. Dzhanlatyan
%T Basis Properties of the System of Root Vectors for Weak Perturbations of a Normal Operator
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 1994
%P 69-73
%V 28
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_1994_28_3_a6/
%G ru
%F FAA_1994_28_3_a6