Jun Hu 0013 Hao Luo 0006 Zihang Zhang A Fast Solver for Generalized Optimal Transport Problems Based on Dynamical System and Algebraic Multigrid. 6 2023 October 97 J. Sci. Comput. 1 https://doi.org/10.1007/s10915-023-02272-9 db/journals/jscic/jscic97.html#HuLZ23