TY - JOUR T1 - Variational Formulation and A Priori Estimates for the Galerkin Method for a Fractional Diffusion Equation JO - Trends in Computational and Applied Mathematics A1 - LIMA, M. E. de S. A1 - OLIVEIRA, E. C. de A1 - VIANA, A. da C. SN - 2676-0029 UL - 10.5540/tcam.2022.023.04.00673 VL - 23 Y1 - 2022 PB - Brasil ER -