@article{ITA_2007__41_2_137_0,
     author = {Choudhary, Ashish and Krithivasan, Kamala and Mitrana, Victor},
     title = {Returning and non-returning parallel communicating finite automata are equivalent},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {137--145},
     publisher = {EDP-Sciences},
     volume = {41},
     number = {2},
     year = {2007},
     doi = {10.1051/ita:2007014},
     mrnumber = {2350640},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/ita:2007014/}
}