ФЕЙСА, М. П. The Polycentric Standardization of the Rusyn Language. Rocznik Ruskiej Bursy, [S. l.], v. 15, p. 143–158, 2019. DOI: 10.12797/RRB.15.2019.15.03. Disponível em: https://journals.akademicka.pl/rrb/article/view/1165. Acesso em: 26 apr. 2024.