00542naa#a2200169#i#450# EN\\bibl\11213 20260224231233.2 2712-9640 20160617b2016####ek#y0engy0150####ca RUS RU Some peculiarities in longitude distribution of sunspot groups over last four eleven-year solar cycles Journal article Irkutsk Institute of Solar-Terrestrial Physics SB RAS 2016 6 с. Journal article local Rybak Alexey Leonidovich zh-szf.ru