TY - JOUR AU - I. M. Silvestrova AU - Yu. V. Pisarevskii AU - B. V. Mill' AU - A. A. Kaminskii TI - Acoustic and electromechanical properties of piezoelectric crystals with the structure of trigonal $\mathrm{Ca}$-gallogermanate JO - Doklady Akademii Nauk PY - 1985 SP - 575 EP - 578 VL - 282 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1985_282_3_a15/ LA - ru ID - DAN_1985_282_3_a15 ER -