Турчин, Я. “ANALISIS OF POLITICAL AND LEGAL GROUNDS OF UKRAINIAN STATE AND ITS MAJOR STEPS OF ITS EVOLUTION IN SCIENTIFIC AND THEORETICAL WORKS OF OTTO EIHELMANN”. The Journal of V.N. Karazin Kharkiv National University. Issues of Political Science, Vol. 15, no. 861, July 2015, pp. 81-88, https://periodicals.karazin.ua/politology/article/view/3305.