Nguyen Huy TuanLuu Vu Cam HoanSalih TatarAn inverse problem for an inhomogeneous time-fractional diffusion equation: a regularization method and error estimate.201938Comput. Appl. Math.2https://doi.org/10.1007/s40314-019-0776-xdb/journals/cam/cam38.html#TuanHT19