@article{IVM_2013_5_a4,
     author = {S. T. Chorieva},
     title = {The {Bitsadze--Samarskii} problem with the {Frankl} condition on the degeneration line for a~mixed-type equation with singular coefficient},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {51--60},
     publisher = {mathdoc},
     number = {5},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2013_5_a4/}
}