@inproceedings{PhilipsenForcrand2012,
  author    = {Owe Philipsen and Philippe de Forcrand},
  title     = {Constraints for the QCD phase diagram from imaginary chemical potential},
  booktitle = {Proceedings of Science},
  volume    = {2010},
  number    = {(Lattice 2010)211},
  pages     = {1 -- 7},
  year      = {2012},
}