On the border of the worlds : essays about the Orthodox and Uniate Churches in Eastern Europe in the Middle Ages and the Modern Period / ed. by Andrzej Gil and Witold Bobryk ; [transl. Ewa Fiutka, Pavlo Hritsak]. - Fiutka, Ewa (1970- ).; Gricak, Pavlo (Akademia Podlaska ; Instytut Europy Środkowo-Wschodniej, 2010)