%0 Journal Article %A A. M. Savchuk %A A. A. Shkalikov %T On the Properties of Maps Connected with Inverse Sturm--Liouville Problems %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2008 %P 227-247 %V 260 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2008_260_a15/ %G ru %F TM_2008_260_a15