%0 Journal Article
%A D. P. Zeragiâ
%T Variational problems associated with extremal properties of the first eigenvalue of a problem of Sturm-Liouville type
%J Differencialʹnye uravneniâ
%D 1996
%P 1335-1340
%V 32
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1996_32_10_a5/
%G ru
%F DE_1996_32_10_a5