Kaczorek, Tadeusz, and Mikolaj Buslowicz. 2013. “Pointwise Completeness and Pointwise Degeneracy of Linear Continuous-Time Fractional Order Systems”. Journal of Automation, Mobile Robotics and Intelligent Systems 3 (1): 8-11. https://www.jamris.org/index.php/JAMRIS/article/view/623.