@article{ZVMMF_2003_43_1_a9,
     author = {A. N. Bogolyubov and A. L. Delitsyn and M. D. Malykh},
     title = {On an example of trapped modes in an irregular waveguide},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {127--132},
     publisher = {mathdoc},
     volume = {43},
     number = {1},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2003_43_1_a9/}
}