00662naa#a2200193#i#450# EN\\bibl\52836 20250119171204.7 2587-9936 20180925b2018####ek#y0engy0150####ca RUS RU Investigation of the solar activity of the KRIM Solar Telescope solar service Journal article Sevastopol Federal State Educational Institution of Higher Education Sevastopol State University 2018 8 с. Journal article local Солнце. Физика Солнца. 523.9 RUS Volvach Alexandr E Yakubovskaya Inna V. rusjbpc.ru