%0 Journal Article %A A. V. Melkonyan %A S. V. Sarkisyan %T Propagation of a harmonic wave in a plate with symmetric structure %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 2011 %P 45-49 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_2011_2_a7/ %G en %F UZERU_2011_2_a7