Dianming Hou, Mejdi Azaïez & Chuanju Xu. (2019). Müntz Spectral Method for Two-Dimensional Space-Fractional Convection-Diffusion Equation.
            <i>Communications in Computational Physics</i>. <i>26</i> (5).
            1415-1443.
         doi:10.4208/cicp.2019.js60.04