TY  - JOUR
AU  - S. A. Stepin
AU  - A. A. Arzhanov
TI  - On localization of the spectrum in a~problem in singular perturbation theory
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 2002
SP  - 608
EP  - 610
VL  - 57
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_2002_57_3_a16/
LA  - en
ID  - RM_2002_57_3_a16
ER  -