@article{01699532, title = {Overlap-free symmetric D0L words.}, journal = {Discrete Mathematics and Theoretical Computer Science. DMTCS [electronic only]}, volume = {4}, year = {2001}, pages = {357-362}, zbl = {0990.68104}, language = {en}, url = {http://dml.mathdoc.fr/item/01699532} }
Frid, Anna. Overlap-free symmetric D0L words.. Discrete Mathematics and Theoretical Computer Science. DMTCS [electronic only], Tome 4 (2001) pp. 357-362. http://gdmltest.u-ga.fr/item/01699532/