TY - JOUR AU - R. B. Alaverdyan AU - Yu. S. Chilingaryan TI - Wavefront reversal of sound on the surface of a liquid crystal JO - Proceedings of the Yerevan State University. Physical and mathematical sciences PY - 1985 SP - 139 EP - 142 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/UZERU_1985_3_a14/ LA - ru ID - UZERU_1985_3_a14 ER -