1. Podlubny, I.: Fractional Differential Equations. Academic Press, New York (1999)
2. Trzaska, Z.: Fractional-order systems: their properties and applications. Elektronika 10, 137–144 (2008)
3. Trzaska, Z.: Fractional order model of Wien Bridge oscillators containing CPEs. In: Proceedings of MATHMOD’09 Conference, Vienna, pp. 357–361 (2009)
4. Trzaska, Z.: Chaos in fractional order circuits. Electr. Rev. 86(1), 109–111 (2010)
5. Li, C.P., Zhang, F.R.: A survey on the stability of fractional differential equations. Eur. Phys. J. Spec. Top. 193(1), 27–47 (2011)