%0 Journal Article %A M. I. Korsunskii %A V. A. Bazakutsa %T On the use of a difference type of electrostatic field in the spectroscopy of charged particle beams %J Doklady Akademii Nauk %D 1957 %P 1029-1031 %V 113 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1957_113_5_a22/ %G ru %F DAN_1957_113_5_a22