@article{DAN_1987_296_2_a16,
     author = {A. I. Nosich},
     title = {Radiation conditions for open waveguides},
     journal = {Doklady Akademii Nauk},
     pages = {326--331},
     publisher = {mathdoc},
     volume = {296},
     number = {2},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1987_296_2_a16/}
}