@article{IVM_2011_1_a4,
     author = {M. S. Salakhitdinov and B. I. Islomov},
     title = {A nonlocal boundary-value problem with conormal derivative for a~mixed-type equation with two inner degeneration lines and various orders of degeneracy},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {49--58},
     publisher = {mathdoc},
     number = {1},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2011_1_a4/}
}