@article{DAN_1991_320_6_a15,
     author = {A. V. Kulakov and E. V. Orlenko and A. A. Rumyantsev},
     title = {Multiple exchange ionization. {1.~Electron-ion} impact ionization},
     journal = {Doklady Akademii Nauk},
     pages = {1361--1365},
     publisher = {mathdoc},
     volume = {320},
     number = {6},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_320_6_a15/}
}