1. I. Podlubny, Fractional Differential Equations (Academic Press, San Diego, 1999)
2. A.A. Kilbas, H.M. Srivastava, J.J. Trujillo, Theory and Applications of Fractional Differential Equations (Elsevier, Amsterdam, 2006)
3. H.K. Khalil, Nonlinear Systems (Prentice Hall, United Kingdom, 2002)
4. I. Petráš, Fractional-Order Nonlinear Systems: Modeling, Analysis and Simulation (Springer, Heidelberg, 2011)
5. T. Kaczorek, Selected Problems of Fractional Systems Theory (Springer, Heidelberg, 2011)