TY  - JOUR
AU  - M. Yu. Telnova
TI  - On the upper estimates for the first eigenvalue of a Sturm--Liouville problem with a weighted integral condition
JO  - Vestnik Samarskogo universiteta. Estestvennonaučnaâ seriâ
PY  - 2015
SP  - 124
EP  - 129
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VSGU_2015_6_a16/
LA  - ru
ID  - VSGU_2015_6_a16
ER  -