%0 Journal Article %A V. V. Beloshitskii %A M. A. Kumakhov %T Electron motion theory at the axial channel %J Doklady Akademii Nauk %D 1981 %P 341-344 %V 259 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1981_259_2_a20/ %G ru %F DAN_1981_259_2_a20