Petechuk, V. M., and Yu. V. Petechuk. “Properties of the Commutators of Some Elements of Linear Groups over Divisions Rings”. Matematychni Studii 54, no. 1 (October 5, 2020): 15-22. Accessed December 9, 2021. http://matstud.org.ua/ojs/index.php/matstud/article/view/80.