%0 Journal Article %A V. A. Gruzdev %A V. G. Zalesski %A P. N. Soldatenko %T Sources of low-energy charged particle beams %J Problemy fiziki, matematiki i tehniki %D 2014 %P 7-9 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/PFMT_2014_4_a0/ %G ru %F PFMT_2014_4_a0