@Inproceedings{EPTCS54.15,
  author    = {Latte, Markus},
  year      = {2011},
  title     = {Separation of Test-Free Propositional Dynamic Logics over Context-Free Languages},
  editor    = {D'Agostino, Giovanna and La Torre, Salvatore},
  booktitle = {{\rm Proceedings Second International Symposium on}
               Games, Automata, Logics and Formal Verification,
               {\rm Minori, Italy, 15-17th June 2011}},
  series    = {Electronic Proceedings in Theoretical Computer Science},
  volume    = {54},
  publisher = {Open Publishing Association},
  pages     = {207-221},
  doi       = {10.4204/EPTCS.54.15},
}