%0 Journal Article %A M. V. Belubekyan %A V. M. Belubekyan %T Surface waves in piezoactive elastic system of a layer on a semi-space %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 2013 %P 45-48 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_2013_3_a6/ %G en %F UZERU_2013_3_a6