Dmitriy I. Lukshin, A. M. F. and Mariam A. Galeeva, L. R. G. (2019) “Unsolved triumph: Cannons and causes of the second Russian turmoil”, Opción, 350, pp. 360-375. Available at: https://produccioncientificaluz.org/index.php/opcion/article/view/30049 (Accessed: 6December2025).