00704naa#a2200181#i#450# EN\\bibl\16398 20260312120802.4 2500-0535 20170505b2017####ek#y0engy0150####ca ENG RU Possibilities and problems of solar magnetic field observations for space weather forecast Journal article Irkutsk Institute of Solar-Terrestrial Physics SB RAS 2017 13 с. Journal article local Астрономия. Астрофизика. Исследование космического пространства. Геодезия. 52 ENG Demidov Mikhail Leonidovich ras.editorum.ru