BIERZEŅŠ, Aņss Ataols. „f“ AND „h“ LETTERS’ PROBLEM IN LATGALIAN LANGUAGE. Via Latgalica, Rezekne, Latvia, n. 3, p. 51–67, 2010. DOI: 10.17770/latg2010.3.1671. Disponível em: https://journals.ru.lv/index.php/LATG/article/view/1671.. Acesso em: 4 may. 2024.