%0 Journal Article
%A L. A. Pastur
%A V. A. Tkachenko
%T Geometry of the spectrum of the one-dimensional Schr\"odinger equation with a periodic complex-valued potential
%J Matematičeskie zametki
%D 1991
%P 88-95
%V 50
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1991_50_4_a12/
%G ru
%F MZM_1991_50_4_a12