%0 Journal Article %A N. G. Basov %A O. V. Bogdankevich %A A. G. Devyatkov %T The excitation of a semiconducting quantum generator by a bundle of fast electrons %J Doklady Akademii Nauk %D 1964 %P 783 %V 155 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1964_155_4_a16/ %G ru %F DAN_1964_155_4_a16