@article{TSP_2019_32_32_a7,
     author = {S. S. Ezhak and M. Yu. Telnova},
     title = {Estimates for the first eigenvalue of the {Sturm--Liouville} problem with potentials in weighted spaces},
     journal = {Trudy Seminara im. I.G. Petrovskogo},
     pages = {162--190},
     publisher = {mathdoc},
     volume = {32},
     number = {32},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TSP_2019_32_32_a7/}
}