Jia, Jinhong, Wang, Hong, and Zheng, Xiangcheng. A preconditioned fast finite element approximation to variable-order time-fractional diffusion equations in multiple space dimensions. Retrieved from https://par.nsf.gov/biblio/10294900. Applied Numerical Mathematics 163.C Web. doi:10.1016/j.apnum.2021.01.001.

Jia, Jinhong, Wang, Hong, & Zheng, Xiangcheng. A preconditioned fast finite element approximation to variable-order time-fractional diffusion equations in multiple space dimensions. Applied Numerical Mathematics, 163 (C). Retrieved from https://par.nsf.gov/biblio/10294900. https://doi.org/10.1016/j.apnum.2021.01.001

Jia, Jinhong, Wang, Hong, and Zheng, Xiangcheng. "A preconditioned fast finite element approximation to variable-order time-fractional diffusion equations in multiple space dimensions". Applied Numerical Mathematics 163 (C). Country unknown/Code not available. https://doi.org/10.1016/j.apnum.2021.01.001. https://par.nsf.gov/biblio/10294900.

@article{osti_10294900,
place = {Country unknown/Code not available}, title = {A preconditioned fast finite element approximation to variable-order time-fractional diffusion equations in multiple space dimensions}, url = {https://par.nsf.gov/biblio/10294900}, DOI = {10.1016/j.apnum.2021.01.001}, abstractNote = {}, journal = {Applied Numerical Mathematics}, volume = {163}, number = {C}, author = {Jia, Jinhong and Wang, Hong and Zheng, Xiangcheng}, editor = {null} }