TY - JOUR AU - N. V. Laskin AU - N. F. Shul'ga TI - On the effect of suppression of high-energy electron and positron coherent radiation in a crystal (theory and experiment) JO - Doklady Akademii Nauk PY - 1989 SP - 344 EP - 347 VL - 306 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1989_306_2_a21/ LA - ru ID - DAN_1989_306_2_a21 ER -