R. . Kryvonos, „Changes in the European System of International Relations due to the “Ukrainian Crises” of 2014-15 .......... 89”, w Eastern Chessboard: Geopolitical Determinants and Challenges in Eastern Europe and the South Caucasus, t. Societas, Vol. 88, P. . Bajor i K. Schöll-Mazurek, Red. Poland: Wydawnictwo Księgarnia Akademicka, 2015. doi: 10.12797/9788376386706.08.