00635naa#a2200217#i#450# EN\\bibl\46908 20240427141448.6 1681-1208 20100325b2010####ek#y0engy0150####ca RU Fuzzy logic methods for geomagnetic events detections and analysis Journal article Moscow Geophysical Center of the Russian Academy of Sciences 2010 5 с. Journal article local Kulchinsky R G Kharin E P Shestopalov I P Gvishiani A D Agayan S M Bogoutdinov Sh R rjes.ru