TY - JOUR AU - A. M. Savchuk TI - A Mapping Method in Inverse Sturm--Liouville Problems with Singular Potentials JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2008 SP - 243 EP - 248 VL - 261 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_2008_261_a17/ LA - ru ID - TM_2008_261_a17 ER -