SOLIAR, I. and SHOLOTA, K. 2019. UKRAINIAN ISSUE AT THE NATIONAL MINORITIES CONGRESSES IN THE SECOND HALF OF THE 1920-ies (BASED ON THE PERIODICAL «DILO»). EAST EUROPEAN HISTORICAL BULLETIN. 11 (Jul. 2019), 142–158. DOI:https://doi.org/10.24919/2519-058x.11.171314.