Ivan Leonidov: supposed realizations in Kislovodsk and Moscow. project baikal, Irkutsk, Russian Federation, v. 17, n. 66, p. 88–96, 2021. DOI: 10.51461/projectbaikal.66.1723. Disponível em: https://projectbaikal.com/index.php/pb/article/view/1723. Acesso em: 10 may. 2026.