Ivanov, Oleg A., and Grigoriy M. Fridman. “On Experience of Using Wolfram Mathematica in a Course of Discrete Mathematics”. Computer Tools in Education, no. 2 (June 28, 2019): 43-54. Accessed April 27, 2024. http://cte.eltech.ru/ojs/index.php/kio/article/view/1584.