Wang, Xiaowen, JinRong Wang, and Michal Fečkan. “Controllability of Conformable Differential Systems”. Nonlinear Analysis: Modelling and Control 25, no. 4 (July 1, 2020): 658–674. Accessed July 17, 2024. https://www.journals.vu.lt/nonlinear-analysis/article/view/18135.