TY - JOUR AU - S. S. Ezhak AU - M. Yu. Telnova TI - Estimates for the first eigenvalue of the Sturm--Liouville problem with potentials in weighted spaces JO - Trudy Seminara im. I.G. Petrovskogo PY - 2019 SP - 162 EP - 190 VL - 32 IS - 32 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TSP_2019_32_32_a7/ LA - ru ID - TSP_2019_32_32_a7 ER -