@article{DAN_1972_203_4_a8,
     author = {P. A. Mishnaevskii},
     title = {On the {Green{\textquoteright}s} function and the asymptotic behavior of eigenvalues of {Sturm{\textendash}Liouville} operator problem},
     journal = {Doklady Akademii Nauk},
     pages = {762--765},
     year = {1972},
     volume = {203},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1972_203_4_a8/}
}