Extensions of rich words

@article{Vesti2014ExtensionsOR,
  title={Extensions of rich words},
  author={Jetro Vesti},
  journal={Theor. Comput. Sci.},
  year={2014},
  volume={548},
  pages={14-24}
}
Article history: Received 18 December 2013 Received in revised form 11 June 2014 Accepted 25 June 2014 Available online 1 July 2014 Communicated by M. Crochemore