%0 Journal Article %A V. G. Bagrov %A G. F. Kopytov %A V. Epp %T Properties of the distribution of harmonics in plane magnetic undulator %J Doklady Akademii Nauk %D 1990 %P 1103-1106 %V 313 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1990_313_5_a17/ %G ru %F DAN_1990_313_5_a17