@article{DAN_1976_230_2_a14,
     author = {A. V. Latyshev and A. E. Ordanovich},
     title = {Orthogonal expansions in the {Orr{\textendash}Sommerfeld} problem},
     journal = {Doklady Akademii Nauk},
     pages = {302--304},
     year = {1976},
     volume = {230},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1976_230_2_a14/}
}