%0 Journal Article %A N. F. Valeev %A Ya. Sh. Il'yasov %T On an Inverse Optimization Spectral Problem and a Corresponding Nonlinear Boundary-Value Problem %J Matematičeskie zametki %D 2018 %P 621-625 %V 104 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2018_104_4_a9/ %G ru %F MZM_2018_104_4_a9