@article{IVM_1988_8_a3,
     author = {N. V. Miroshin},
     title = {Spectral exterior problems for a~degenerate elliptic operator},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {47--55},
     year = {1988},
     number = {8},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1988_8_a3/}
}