@article{ZVMMF_2007_47_2_a3,
     author = {Yu. V. Bychenkov},
     title = {On the spectral properties of an operator pencil},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {197--205},
     publisher = {mathdoc},
     volume = {47},
     number = {2},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2007_47_2_a3/}
}