Nguyen, T. H. “Accurate Approximated Solution to the Differential Inclusion Based on the Ordinary Differential Equation”.
Ukrains’kyi Matematychnyi Zhurnal 73, no. 1 (January 22, 2021): 117–127. Accessed April 7, 2025.
https://umj.imath.kiev.ua/index.php/umj/article/view/889.