ZELLER, J. The geographical and social distribution of native languages in central Ukraine. Linguistica Copernicana, [S. l.], v. 18, p. 105–136, 2022. DOI: 10.12775/LinCop.2021.006. Disponível em: https://apcz.umk.pl/LinCop/article/view/37244. Acesso em: 24 kwi. 2024.