@article{callow2020improving,
  title={Improving the exchange and correlation potential in density-functional approximations through constraints},
  author={Callow, Timothy J and Pearce, Benjamin J and Pitts, Tom and Lathiotakis, Nektarios N and Hodgson, Matthew J P and Gidopoulos, Nikitas I},
  journal={Faraday Discussions},
  volume={224},
  pages={126--144},
  year={2020},
  publisher={The Royal Society of Chemistry}
}