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@article{DE_1977_13_8_a7, author = {T. Sh. Kal'menov}, title = {The spectrum of the {Tricomi} problem for the {Lavrent'ev--Bicadze} equation}, journal = {Differencialʹnye uravneni\^a}, pages = {1418--1425}, publisher = {mathdoc}, volume = {13}, number = {8}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1977_13_8_a7/} }
T. Sh. Kal'menov. The spectrum of the Tricomi problem for the Lavrent'ev--Bicadze equation. Differencialʹnye uravneniâ, Tome 13 (1977) no. 8, pp. 1418-1425. http://geodesic.mathdoc.fr/item/DE_1977_13_8_a7/