@article{DAN_1982_264_4_a20,
     author = {A. M. Kondratenko and E. V. Pakhtusova and E. L. Saldin},
     title = {The use of a free-electron laser for the generation of high-energy colliding photon beams},
     journal = {Doklady Akademii Nauk},
     pages = {849--852},
     year = {1982},
     volume = {264},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1982_264_4_a20/}
}