00504naa#a2200181#i#450# EN\INFRA-M\bibl\412 /en/manage/index 20250817223736.7 2308-4898 20130725b2013####ek#y0engy0150####ca RUS RU On circular orbits of planets Journal article Moscow INFRA-M Academic Publishing LLC. 2013 2 с. Journal article local Boykov Aleksey fht.editorum.ru /en/manage/index