@article{IVM_1994_6_a8,
     author = {S. M. Labovskii},
     title = {On eigenfunctions of the {Sturm{\textendash}Liouville} problem for a~functional-differential equation},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {69--74},
     year = {1994},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1994_6_a8/}
}