Shapoval, N. V. “THE HARMONY OF THE IMPERIOUS AND THE SUBORDINATE SOURCE AS A UNIVERSAL LAW OF NATURE ACCORDING TO ARISTOTLE”. The Journal of V. N. Karazin Kharkiv National University, Series Philosophy. Philosophical Peripeteias, no. 55, Dec. 2016, pp. 24-30, https://periodicals.karazin.ua/philosophy/article/view/8687.