Journal of Automata, Languages and Combinatorics

@article{jalc160102,
  author  = {Pascal Caron and Jean-Marc Champarnaud and Ludovic Mignot},
  title   = {Multi-Bar and Multi-Tilde Regular Operators},
  journal = jalc,
  year    = 2011,
  volume  = 16,
  number  = {1},
  pages   = {11--26}
}