@article{IVM_2017_1_a5,
     author = {O. A. Repin},
     title = {On a problem with shift for mixed type equation with two degeneration lines},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {53--59},
     publisher = {mathdoc},
     number = {1},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2017_1_a5/}
}