@article{ITA_2009__43_2_299_0, author = {Glen, Amy and Lev\'e, Florence and Richomme, Gw\'ena\"el}, title = {Directive words of episturmian words : equivalences and normalization}, journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications}, pages = {299--319}, publisher = {EDP-Sciences}, volume = {43}, number = {2}, year = {2009}, doi = {10.1051/ita:2008029}, mrnumber = {2512261}, zbl = {1166.68034}, language = {en}, url = {http://www.numdam.org/articles/10.1051/ita:2008029/} }