TY - JOUR AU - A. G. Rostomyan AU - P. A. Bezirganyan TI - Realization of self-focusing of X-rays and $\gamma$-rays JO - Doklady Akademii Nauk PY - 1978 SP - 73 EP - 76 VL - 238 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1978_238_1_a18/ LA - ru ID - DAN_1978_238_1_a18 ER -