Fully discrete multipoint flux mixed finite element method for semilinear parabolic optimal control problem
LIU Jiacheng, XU Wenwen, LI Xindong, LIU Guoliang
Journal of Qilu University of Technology . 2025, (4): 15 -25 .  DOI: 10.16442/j.cnki.qlgydxxb.2025.04.002