@article{DAN_1980_254_4_a13,
     author = {N. N. Evtikhiev and M. A. Savchenko},
     title = {Multibeam communication channel},
     journal = {Doklady Akademii Nauk},
     pages = {824--827},
     publisher = {mathdoc},
     volume = {254},
     number = {4},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_254_4_a13/}
}