00643naa#a2200193#i#450# EN\\bibl\81083 20260309112442.1 2500-0535 20240929b2024####ek#y0engy0150####ca ENG RU MHD waves at the pre-front of interplanetary shocks on September 6 and 7, 2017 Journal article Irkutsk Institute of Solar-Terrestrial Physics SB RAS 2024 7 с. Journal article local Астрономия. Геодезия. 52 ENG Starodubtsev Sergei Anatolyevich Shadrina Lyudmila Pankratevna ras.editorum.ru