TY - JOUR AU - Ya. I. Fel'dshtein AU - P. V. Sumaruk AU - N. F. Shevnina TI - On the diagnostics of azimuthal component of the interplanetary magnetic field based on ground observations JO - Doklady Akademii Nauk PY - 1975 SP - 833 EP - 836 VL - 222 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1975_222_4_a15/ LA - ru ID - DAN_1975_222_4_a15 ER -