TY  - JOUR
AU  - A. A. Polosin
TI  - On the Location of the Spectrum of a Mixed Boundary Value Problem in a Square
JO  - Differencialʹnye uravneniâ
PY  - 2002
SP  - 1095
EP  - 1100
VL  - 38
IS  - 8
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_2002_38_8_a10/
LA  - ru
ID  - DE_2002_38_8_a10
ER  -