Popovich, Alexey. “What Was Stefan Yavorsky Silent About? Undelivered Sermons As a Multiple Equation”. Quaestio Rossica 11, no. 4 (December 21, 2023): 1393–1413. Accessed July 22, 2024. https://qr.urfu.ru/ojs/index.php/qr/article/view/qr.854.