Alimbekova, N. B., and N. M. Oskorbin. “Study of the Initial Boundary Value Problem for a Two-Dimensional Convection-Diffusion Equation With a Fractional Time Derivative in the Sense of Caputo-Fabrizio”. Journal of Mathematics, Mechanics and Computer Science, vol. 110, no. 2, Sept. 2021, pp. 97-112, doi:10.26577/JMMCS.2021.v110.i2.10.