MATYUSHKO, B. The christian positivism by M.F. Fedorov. Actual Problems of Mind, [S. l.], n. 15, p. 43–57, 2014. DOI: 10.31812/apd.v0i15.1899. Disponível em: https://journal.kdpu.edu.ua/apd/article/view/1899. Acesso em: 8 may. 2024.