%0 Journal Article %A A. I. Morozov %T Focussing of cold quasineutral beams in electromagnetic fields %J Doklady Akademii Nauk %D 1965 %P 1363-1366 %V 163 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1965_163_6_a18/ %G ru %F DAN_1965_163_6_a18