@article{ITA_2012__46_1_33_0,
     author = {Bruy\`ere, V\'eronique and Carton, Olivier and Decan, Alexandre and Gauwin, Olivier and Wijsen, Jef},
     title = {An aperiodicity problem for multiwords},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {33--50},
     publisher = {EDP-Sciences},
     volume = {46},
     number = {1},
     year = {2012},
     doi = {10.1051/ita/2011131},
     mrnumber = {2904959},
     zbl = {1247.68203},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/ita/2011131/}
}