TY - JOUR AU - A. M. Rostomyan TI - Investigation of X-ray symmetric BBB-interferometers JO - Proceedings of the Yerevan State University. Physical and mathematical sciences PY - 2005 SP - 48 EP - 52 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/UZERU_2005_1_a5/ LA - ru ID - UZERU_2005_1_a5 ER -