TY  - JOUR
AU  - D. P. Zeragiâ
TI  - Variational problems associated with extremal properties of the first eigenvalue of a problem of Sturm-Liouville type
JO  - Differencialʹnye uravneniâ
PY  - 1996
SP  - 1335
EP  - 1340
VL  - 32
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1996_32_10_a5/
LA  - ru
ID  - DE_1996_32_10_a5
ER  -