TY - JOUR AU - A. V. Melkonyan AU - S. V. Sarkisyan TI - Propagation of a harmonic wave in a plate with symmetric structure JO - Proceedings of the Yerevan State University. Physical and mathematical sciences PY - 2011 SP - 45 EP - 49 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/UZERU_2011_2_a7/ LA - en ID - UZERU_2011_2_a7 ER -