%0 Journal Article
%A V. A. Erovenko
%T $\lambda $-zones of instability for Hill's differential equation
%J Differencialʹnye uravneniâ
%D 1975
%P 1890-1892
%V 11
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1975_11_10_a21/
%G ru
%F DE_1975_11_10_a21