%0 Journal Article %A N. V. Laskin %A N. F. Shul'ga %T On the effect of suppression of high-energy electron and positron coherent radiation in a crystal (theory and experiment) %J Doklady Akademii Nauk %D 1989 %P 344-347 %V 306 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1989_306_2_a21/ %G ru %F DAN_1989_306_2_a21