%0 Journal Article %A A. M. Kondratenko %A E. L. Saldin %T Generation of coherent radiation by relativistic electron beam in an ondulator %J Doklady Akademii Nauk %D 1979 %P 843-847 %V 249 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1979_249_4_a18/ %G ru %F DAN_1979_249_4_a18