TY - JOUR AU - M. V. Belubekyan AU - S. L. Sahakyan TI - On the localization of shear vibrations in a composite elastic semi-infinite flat waveguide JO - Proceedings of the Yerevan State University. Physical and mathematical sciences PY - 2020 SP - 44 EP - 49 VL - 54 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/UZERU_2020_54_1_a5/ LA - en ID - UZERU_2020_54_1_a5 ER -