@article{DE_1985_21_6_a24,
     author = {Z. Kadelburg},
     title = {Double expansion in series of eigenfunctions of the {Orr{\textendash}Sommerfeld} problem},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1082--1085},
     year = {1985},
     volume = {21},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1985_21_6_a24/}
}