@article{DE_1990_26_3_a10,
     author = {T. D. Dzhuraev and Yu. P. Apakov},
     title = {The {Gellerstedt} problem for a parabolic-hyperbolic equation in a three-dimensional space},
     journal = {Differencialʹnye uravneni\^a},
     pages = {438--448},
     publisher = {mathdoc},
     volume = {26},
     number = {3},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1990_26_3_a10/}
}