%0 Journal Article %A S. S. Ezhak %T On a minimization problem for a functional generated by the Sturm–Liouville problem with integral condition on the potential %J Vestnik Samarskogo universiteta. Estestvennonaučnaâ seriâ %D 2015 %P 57-61 %N 6 %U http://geodesic.mathdoc.fr/item/VSGU_2015_6_a6/ %G ru %F VSGU_2015_6_a6