TY - JOUR AU - S. V. Karapetyan AU - A. N. Tselebrovskiy AU - A. A. Durgaryan TI - The influence of diffusion on the ultrasonic absorption in AT-quartz JO - Proceedings of the Yerevan State University. Physical and mathematical sciences PY - 1987 SP - 81 EP - 87 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/UZERU_1987_1_a12/ LA - ru ID - UZERU_1987_1_a12 ER -