Ma , JingtangMa , Jianjun and Wu , Haofei. (2024). Penalized Schemes for Hamilton-Jacobi-Bellman Quasi-Variational Inequalities Arising in Regime Switching Utility Maximization with Optimal Stopping.
            <i>Numerical Mathematics: Theory, Methods and Applications</i>. <i>17</i> (2).
            404-428.
         doi:10.4208/nmtma.OA-2023-0094