@article{IVM_1968_5_a6,
     author = {Krickaya},
     title = {Properties of certain series which are connected with the eigenfunctions and eigenvalues of {a~Sturm{\textendash}Liouville} type boundary value problem},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {50--53},
     year = {1968},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1968_5_a6/}
}