BOIKO, I. To the question about the date of establishment of ukrainian state. ScienceRise: Juridical Science, [S. l.], n. 1 (1), p. 19–31, 2017. DOI: 10.15587/2523-4153.2017.111185. Disponível em: https://journals.uran.ua/sr_law/article/view/111185. Acesso em: 22 nov. 2024.