@Inproceedings{EPTCS31.15,
  author    = {Kl\'ima, Ond\v{r}ej and Pol\'ak, Libor},
  year      = {2010},
  title     = {Descriptional Complexity of the Languages KaL: Automata, Monoids and Varieties},
  editor    = {McQuillan, Ian and Pighizzini, Giovanni},
  booktitle = {{\rm Proceedings Twelfth Annual Workshop on}
               Descriptional Complexity of Formal Systems,
               {\rm Saskatoon, Canada, 8-10th August 2010}},
  series    = {Electronic Proceedings in Theoretical Computer Science},
  volume    = {31},
  publisher = {Open Publishing Association},
  pages     = {130-138},
  doi       = {10.4204/EPTCS.31.15},
}