TY  - JOUR
AU  - S. A. Stepin
TI  - On the spectral properties of the non-self-conjugate operator $i\varepsilon\dfrac{d^2}{dx^2}+q(x)$
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1998
SP  - 639
EP  - 641
VL  - 53
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1998_53_3_a9/
LA  - en
ID  - RM_1998_53_3_a9
ER  -