Matrix approach to discrete fractional calculus II: Partial fractional differential equations
Podlubny, I., A. Chechkin, T. Skovranek, Y Chen, and B.M. Vinagre Jara. 2009. “Matrix Approach to Discrete Fractional Calculus II: Partial Fractional Differential Equations”. Journal of Computational Physics 228 (8): 3137-53.