@article{IVM_2009_11_a1,
     author = {A. A. Bakhristova},
     title = {The {Neumann} problem for a~mixed-type equation in a~rectangular domain},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {12--19},
     publisher = {mathdoc},
     number = {11},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2009_11_a1/}
}