00640naa#a2200169#i#450# EN\INFRA-M\bibl\53390 20260412195438.7 2500-0489 20221011b2022####ek#y0engy0150####ca RU Assumptions and idealizations used in cosmological models that limit the description of remote regions of the Universe Journal article Moscow INFRA-M Academic Publishing LLC. 2022 15 с. Journal article local Общие вопросы математических и естественных наук. 50 Poroikov Sergey Yu. zh-szf.ru