Prokip, Volodymyr. “On Solvability of the Matrix Equation AX – XB = C over Integer Rings”. Modeling, Control and Information Technologies: Proceedings of International scientific and practical conference, no. 3 (November 5, 2019): 55–58. Accessed April 29, 2024. https://itconfdoc.nuwm.edu.ua/index.php/ITConf/article/view/75.