@article{IVM_2016_3_a2,
     author = {A. A. Gimaltdinova and K. V. Kurman},
     title = {Boundary problem for {Lavrent'ev--Bitsadze} equation with two internal lines of change of a~type},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {23--37},
     publisher = {mathdoc},
     number = {3},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2016_3_a2/}
}