For citations:

Grekov I.M. The Concepts of Esotericism and Exoterism in the Context of Religious and Philosophical Doctrines of the 20th Century. Science Almanac of Black Sea Region Countries. 2020;22(4):63-70. (In Russ.) https://doi.org/10.23947/2414-1143-2020-24-4-59-66