@article {MR4609813,
    AUTHOR = {Brenner, Susanne C. and Gedicke, Joscha and Sung, Li-Yeng},
     TITLE = {A symmetric interior penalty method for an elliptic
              distributed optimal control problem with pointwise state
              constraints},
   JOURNAL = {Comput. Methods Appl. Math.},
  FJOURNAL = {Computational Methods in Applied Mathematics},
    VOLUME = {23},
      YEAR = {2023},
    NUMBER = {3},
     PAGES = {565--589},
      ISSN = {1609-4840,1609-9389},
   MRCLASS = {49M41 (49J40 65K15 65N30)},
  MRNUMBER = {4609813},
       DOI = {10.1515/cmam-2022-0148},
       URL = {https://doi.org/10.1515/cmam-2022-0148},
}