LEVYTSKYI, V. East conflict as a consequence of systemic crisis in Ukraine (what happens?). Skhid, [S. l.], n. 2(134), p. 86–90, 2015. DOI: 10.21847/1728-9343.2015.2(134).40192. Disponível em: http://skhid.kubg.edu.ua/article/view/40192. Acesso em: 30 nov. 2021.