TY - JOUR AU - Le Khan Chau TI - High-frequency piezo ceramic shells JO - Doklady Akademii Nauk PY - 1985 SP - 1327 EP - 1330 VL - 284 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1985_284_6_a10/ LA - ru ID - DAN_1985_284_6_a10 ER -