Żurawski vel Grajewski P. Problems of the Ukrainian national minority in Poland in the years : 1919-1923. Acta Historica (Szeged), [S. l.], v. 95, p. 107–119, 1992. Disponível em: https://ojs.bibl.u-szeged.hu/index.php/acthist/article/view/10265. Acesso em: 23 júl. 2024.