@article{IVM_2013_8_a5,
     author = {O. A. Repin and S. K. Kumykova},
     title = {A nonlocal problem for a~mixed-type equation whose order degenerates along the line of change of type},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {57--65},
     publisher = {mathdoc},
     number = {8},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2013_8_a5/}
}