00530naa#a2200169#i#450# EN\INFRA-M\bibl\34626 20240501223428.3 2500-0519 20191225b2019####ek#y0engy0150####ca RU the meaning of the Ernst Haeckel’s monism in the history of philosophy Journal article Moscow INFRA-M Academic Publishing LLC. 2019 6 с. Journal article local Философия. 10 Kudrin Sergey Konstantinovich naukaru.ru