%0 Journal Article
%A Kh. Kh. Murtazin
%T On the point spectrum of a class of differential operators
%J Doklady Akademii Nauk
%D 1974
%P 1322-1324
%V 219
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1974_219_6_a11/
%G ru
%F DAN_1974_219_6_a11