TY - JOUR AU - A. P. Nikol'skii TI - On the planetary distribution of ionospheric magnetic disturbances and aurorae JO - Doklady Akademii Nauk PY - 1957 SP - 84 EP - 87 VL - 115 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1957_115_1_a21/ LA - ru ID - DAN_1957_115_1_a21 ER -