@book { KnowledgeLanguageandIntellectionfromOrigentoGregoryNazianzen,
    title = "Knowledge, Language and Intellection from Origen to Gregory Nazianzen",
    author = "Anna {Usacheva}",
    year = "2017",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b11833",
    url = "https://www.peterlang.com/document/1110138"
}