TY  - JOUR
AU  - O. A. Plaksina
TI  - Asymptotic formulas for the spectrum of certain Sturm--Liouville boundary value problems
JO  - Differencialʹnye uravneniâ
PY  - 1983
SP  - 2009
EP  - 2011
VL  - 19
IS  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1983_19_11_a30/
LA  - ru
ID  - DE_1983_19_11_a30
ER  -