Kryvoruchko, O. (2019) “The question of the catholicity of the Ukrainian lands in international relations 1918 - 1919”, Scientific Papers of the Vinnytsia Mykhailo Kotsyiubynskyi State Pedagogical University Series History, (28), pp. 25–29. doi:10.31652/2411-2143-2019-28-25-29.