1. Machado JT, Kiryakova V, Mainardi F (2011) Recent history of fractional calcukus. Commun Nonlinear Sci Numer Simul 16(3):1940–1153
2. Leibniz GW (1849) Letter to G. A. L’Hospital. Leibnitzen Mathematishe Schriften 2:301–302
3. Liouville J (1832) Sur le calcul des differentielles a indices quelconques. J Ec Polytech 13:71–162
4. Riemann B (1876) Versuch einer allgemeinen Auffassung der Integration and Differentiation. In: Gesammelte Werke, 62
5. Baleanu D, Avkar T (2004) Lagrangian with linear velocities with Riemann–Liouville fractional derivatives. Nuovo Cimento B119:73–79