@article{IVM_1963_6_a1,
     author = {F. T. Baranovskii},
     title = {Differential properties of the solution of a~mixed problem for a~degenerate hyperbolic equation},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {15--24},
     year = {1963},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1963_6_a1/}
}