@article{IVM_2020_11_a3,
     author = {Yu. K. Sabitova},
     title = {The first boundary problem with an integral condition for a mixed-type equation with a characteristic degeneration},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {46--64},
     publisher = {mathdoc},
     number = {11},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2020_11_a3/}
}