Gusev Г. Unsolved Mysteries of History: Why did the Reverend Nikon not Immediately Become of St. Sergius of Radonezh as Hegumen of the Trinity Monastery. БВ [Internet]. 2021 Dec. 15 [cited 2026 Nov. 13];(4 (43):144-58. Available from: https://publishing.mpda.ru/index.php/theological-herald/article/view/867