Sergelen, B., Pavelka, J. and Tušla, P. (1999) “Mathematical model of two parallel synchronous motors supplied from current type frequency converter”, Communications - Scientific letters of the University of Zilina, 1(3), pp. 23-28. Available at: http://journals.uniza.sk/index.php/communications/article/view/127 (Accessed: 6April2026).