%0 Journal Article %T An Indirect Finite Element Method for Variable-Coefficient Space-Fractional Diffusion Equations and Its Optimal-Order Error Estimates %A Zheng, Xiangcheng %A Ervin, V. %A Wang, Hong %J Communications on Applied Mathematics and Computation %V 2 %N 1 %P 147-162 %@ 2096-6385 %D 2019-09-16 %I Springer Singapore %~ DeepDyve