@inproceedings{DBLP:conf/alenex/AngrimanBDGGM21,
  author = "E. Angriman and R. Becker and G. D'Angelo and H. Gilbert and A. van der Grinten and H. Meyerhenke",
  title = "Group-Harmonic and Group-Closeness Maximization - Approximation and Engineering",
  year = 2021,
  booktitle = "Proceedings of the Symposium on Algorithm Engineering and Experiments, {ALENEX} 2021, Virtual Conference, January 10-11, 2021",
  publisher = "SIAM",
  doi = "10.1137/1.9781611976472.12"
}