@article{IVM_2012_8_a4,
     author = {M. Kh. Ruziev},
     title = {A problem with the {Frankl} and {Bitsadze{\textendash}Samarskii} condition on the line of degeneracy and on parallel characteristics for a~mixed-type equation},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {43--52},
     year = {2012},
     number = {8},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2012_8_a4/}
}