@article{MZM_2000_68_3_a16,
     author = {A. A. Vladimirov},
     title = {Spectrum of selfadjoint differential operators from a parametric family},
     journal = {Matemati\v{c}eskie zametki},
     pages = {471--474},
     publisher = {mathdoc},
     volume = {68},
     number = {3},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2000_68_3_a16/}
}