@article{HafemeyerMannelNeitzelVexler:2019,
  Title                    = {Finite element error estimates for elliptic optimal control by BV
  functions},
  Author                   = {Dominik Hafemeyer and Florian Mannel and Ira Neitzel and Boris Vexler},
  Institution              = {Arxiv},
  JOURNAL = {Mathematical Control & Related Fields},
  Year                     = {2020},
   VOLUME = {10},
       PAGES = {333--363},
 DOI = {10.3934/mcrf.2019041},
       URL = {https://doi.org/10.3934/mcrf.2019041},
  Number                   = {2},
  annote                   = {article, journal},
  note = {Preprint version available arXiv:1902.05893}
}