%0 Journal Article
%A S. A. Stepin
%T On the spectral properties of the non-self-conjugate operator $i\varepsilon\dfrac{d^2}{dx^2}+q(x)$
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1998
%P 639-641
%V 53
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1998_53_3_a9/
%G en
%F RM_1998_53_3_a9