TY - JOUR AU - F. N. Chukhovskii AU - P. V. Petrashen TI - Dynamic diffraction focusing of X-rays by elastically bended crystal JO - Doklady Akademii Nauk PY - 1976 SP - 1087 EP - 1090 VL - 228 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1976_228_5_a18/ LA - ru ID - DAN_1976_228_5_a18 ER -