@Inproceedings{EPTCS3.2,
  author    = {Brzozowski, Janusz},
  year      = {2009},
  title     = {Quotient Complexity of Regular Languages},
  editor    = {Dassow, J\"urgen and Pighizzini, Giovanni and Truthe, Bianca},
  booktitle = {{\rm Proceedings Eleventh International Workshop on}
               Descriptional Complexity of Formal Systems,
               {\rm Magdeburg, Germany, July 6-9, 2009}},
  series    = {Electronic Proceedings in Theoretical Computer Science},
  volume    = {3},
  publisher = {Open Publishing Association},
  pages     = {17-28},
  doi       = {10.4204/EPTCS.3.2},
}