@article{IVM_1979_5_a3,
     author = {I. A. Makarov},
     title = {Solution of the {Cauchy{\textendash}Goursat} problem for an equation with two lines of degeneracy of the second kind},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {29--40},
     year = {1979},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1979_5_a3/}
}