@inproceedings{ChoMer13,
  author    = {Christian Choffrut and Robert Merca\c{s}},
  title     = {The Lexicographic Cross-Section of the Plactic Monoid Is Regular},
  year      = {2013},
  pages     = {83--94},
  ee        = {http://dx.doi.org/10.1007/978-3-642-40579-2_11},
 editor    = {Juhani Karhum{\"a}ki and Arto Lepist{\"o} and Luca Q. Zamboni},
 booktitle     = {Combinatorics on Words - 9th International Conference, WORDS},
 publisher = {Springer},
 series    = {Lecture Notes in Computer Science},
 volume    = {8079},
 year      = {2013},
 isbn      = {978-3-642-40578-5},
 }