CHRISTIAN AND MUSLIM GNOSIS OF THE MEDIEVAL AGE ArticleChistyakova O.V., Kirabaev N.S., Maythem Al-Janabi M.M.Vestnik Sankt-Peterburgskogo Universiteta, Filosofiia i Konfliktologiia\r\nVestnik of Saint Petersburg University. Philosophy and Conflict Studies. Vol. 35. 2019. P.. 159-174