TY - JOUR AU - P. A. Bezirganyan AU - L. G. Gasparyan AU - V. P. Mkrtchyan TI - X-ray difraction in the single crystal off-surface layers JO - Proceedings of the Yerevan State University. Physical and mathematical sciences PY - 1989 SP - 53 EP - 59 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/UZERU_1989_2_a8/ LA - ru ID - UZERU_1989_2_a8 ER -