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@article{DE_1989_25_1_a13, author = {K. B. Sabitov}, title = {On the theory of equations of mixed parabolic-hyperbolic type with a spectral parameter}, journal = {Differencialʹnye uravneni\^a}, pages = {117--126}, publisher = {mathdoc}, volume = {25}, number = {1}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1989_25_1_a13/} }
K. B. Sabitov. On the theory of equations of mixed parabolic-hyperbolic type with a spectral parameter. Differencialʹnye uravneniâ, Tome 25 (1989) no. 1, pp. 117-126. http://geodesic.mathdoc.fr/item/DE_1989_25_1_a13/