@article{DAN_1982_267_3_a19,
     author = {L. A. Gevorgyan and N. K. Zhevago},
     title = {Coherent radiation of electron clusters in free-electron lasers},
     journal = {Doklady Akademii Nauk},
     pages = {599--601},
     publisher = {mathdoc},
     volume = {267},
     number = {3},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1982_267_3_a19/}
}