DATSKIV, I.; POLYCH, M. Ukraine and Switzerland: the Beginnings of Diplomatic Relations in the Context of European Geopolitics (1917–1921). Problems of World History, [S. l.], n. 33, p. 22–35, 2026. DOI: 10.46869/2707-6776-2026-33-2. Disponível em: https://journal.ivinas.gov.ua/pwh/article/view/389. Acesso em: 4 jun. 2026.