@article{MZM_1985_37_6_a9,
     author = {R. S. Ismagilov},
     title = {Spectrum of the {Sturm--Liouville} equation with an oscillating potential},
     journal = {Matemati\v{c}eskie zametki},
     pages = {869--879},
     publisher = {mathdoc},
     volume = {37},
     number = {6},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1985_37_6_a9/}
}