%0 Journal Article
%A V. Ala
%A Kh. R. Mamedov
%T On basis property of root functions for a class of the second order differential operators
%J Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematika, mehanika, fizika
%D 2020
%P 15-21
%V 12
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VYURM_2020_12_3_a1/
%G en
%F VYURM_2020_12_3_a1