TY - JOUR AU - M. V. Belubekyan AU - A. H. Papyan TI - Vibrations of piezoelectric layer of class 6 $mm$ with initial conditions and with rigidly clamped and free edges JO - Proceedings of the Yerevan State University. Physical and mathematical sciences PY - 2020 SP - 146 EP - 152 VL - 54 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/UZERU_2020_54_3_a2/ LA - en ID - UZERU_2020_54_3_a2 ER -