00535naa#a2200169#i#450# EN\INFRA-M\bibl\11213 20241103153607.7 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 Moscow INFRA-M Academic Publishing LLC. 2016 6 с. Journal article local Rybak Alexey Leonidovich zh-szf.ru