JOHNS, Andreas. The Image of Koshchei Bessmertnyi in East Slavic Folklore. FOLKLORICA - Journal of the Slavic, East European, and Eurasian Folklore Association, [S. l.], v. 5, n. 1, 2001. DOI: 10.17161/folklorica.v5i1.3647. Disponível em: https://journals.ku.edu/folklorica/article/view/3647.. Acesso em: 4 jul. 2024.