@article{DMTCS_2011_special_261_a9,
     author = {Brice\~no, Raimundo and Meunier, Pierre-Etienne},
     title = {The structure of communication problems in cellular automata},
     journal = {Discrete mathematics & theoretical computer science},
     publisher = {mathdoc},
     volume = {DMTCS Proceedings vol. AP, Automata 2011 - 17th International Workshop on Cellular Automata and Discrete Complex Systems},
     year = {2011},
     doi = {10.46298/dmtcs.2977},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.2977/}
}