%0 Journal Article
%A V. A. Tkachenko
%T On conditions of discreteness of the spectrum of monomial differential operators
%J Differencialʹnye uravneniâ
%D 1966
%P 634-639
%V 2
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1966_2_5_a6/
%G ru
%F DE_1966_2_5_a6