TY - JOUR AU - A. G. Gamburtsev TI - On the periodic variations of the time series at the Earth's crust seismic monitoring JO - Doklady Akademii Nauk PY - 1987 SP - 64 EP - 67 VL - 297 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1987_297_1_a14/ LA - ru ID - DAN_1987_297_1_a14 ER -