@article{IVM_1984_3_a5,
     author = {V. I. Zhegalov},
     title = {A~boundary value problem for the {Lavrent'ev{\textendash}Bitsadze} equation in polar coordinates},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {38--44},
     year = {1984},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1984_3_a5/}
}