KALLIO, Kati; VALTONEN, Taarna; JOUSTE, Marko. Olaus Sirma, poetic irregularity, and the question of authorship. Suomalais-Ugrilaisen Seuran Aikakauskirja, [S. l.], v. 99, p. 344–348, 2023. DOI: 10.33340/susa.131800. Disponível em: https://journal.fi/susa/article/view/131800. Acesso em: 31 mar. 2026.