@article{Koh:21b,
  year = 2022,
  volume = 16,
  author = {Ulrich Kohlenbach},
  pages = {611-621},
  title = {On the {P}roximal {P}oint {A}lgorithm and its {H}alpern-type variant
           for generalized monotone operators in {H}ilbert space},
  journal = {Optimization Letters},
}