@article{MMO_2019_80_2_a6,
     author = {A. A. Vladimirov},
     title = {On a class of singular {Sturm--Liouville} problems},
     journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva},
     pages = {247--257},
     publisher = {mathdoc},
     volume = {80},
     number = {2},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MMO_2019_80_2_a6/}
}