TY - JOUR AU - Dumbadze, G. AU - Shergelashvili, B. DA - 2020/06/15/ DO - 10.1007/s10511-020-09618-3 JF - Astrophys. PY - 2020 SE - 2020/06/15/ SP - 108-113 TI - Oscillations of ellipsoidal solar active regions VL - 63 ER -