@article{ITA_2008__42_4_717_0,
     author = {Pirillo, Giuseppe},
     title = {A hierarchy for circular codes},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {717--728},
     publisher = {EDP-Sciences},
     volume = {42},
     number = {4},
     year = {2008},
     doi = {10.1051/ita:2008002},
     mrnumber = {2458703},
     zbl = {1155.68069},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/ita:2008002/}
}