TY  - JOUR
AU  - O. A. Plaksina
TI  - Asymptotic formulas for the spectrum of a~class of Sturm--Liouville boundary value problems
JO  - Informatics and Automation
PY  - 1987
SP  - 177
EP  - 178
VL  - 180
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_1987_180_a105/
LA  - ru
ID  - TRSPY_1987_180_a105
ER  -