@article{DAN_1970_191_4_a17,
     author = {Yu. L. Stankevich},
     title = {On the possibility of induced amplification of characteristic {X-ray} radiation},
     journal = {Doklady Akademii Nauk},
     pages = {805--806},
     publisher = {mathdoc},
     volume = {191},
     number = {4},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1970_191_4_a17/}
}