%0 Journal Article %A V. I. Kurilko %A V. V. Ognivenko %T Threshold of the stimulated emission by relativistic electron beam in the undulator %J Doklady Akademii Nauk %D 1994 %P 437-439 %V 335 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1994_335_4_a9/ %G ru %F DAN_1994_335_4_a9