1. On the fractional calculus models of viscoelastic behaviour;Bagley;J. Rheol.,1986
2. Damping description involving fractional operators;Gaul;Mech. Syst. Signal Process.,1991
3. An Introduction to the Fractional Calculus and Fractional Differential Equations;Miller,1993
4. Fractional Integrals and Derivatives: Theory and Applications;Samko,1993
5. On the initial value problem for the fractional diffusion-wave equation;Mainardi,1994