Union and Intersection of Regular Languages and Descriptional Complexity

@inproceedings{Hricko2005UnionAI,
  title={Union and Intersection of Regular Languages and Descriptional Complexity},
  author={Marek Hricko and Galina Jir{\'a}skov{\'a} and Alexander Szabari},
  booktitle={DCFS},
  year={2005}
}