@article{ITA_2010__44_2_257_0,
     author = {Bozapalidis, Symeon and Kalampakas, Antonios},
     title = {On the syntactic complexity of tree series},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {257--279},
     publisher = {EDP-Sciences},
     volume = {44},
     number = {2},
     year = {2010},
     doi = {10.1051/ita/2010014},
     mrnumber = {2674543},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/ita/2010014/}
}