[1]
Avramchuk, O. 2018. The Jagiellonian idea and the concept of Intermarium. The evolution of Oskar Halecki’s interpretation of the Ukrainian problem. Klio Polska. Studia i Materiały z Dziejów Historiografii Polskiej. 9 (Mar. 2018), 57–79. DOI:https://doi.org/10.12775/KlioPL.2017.03.