@article{ITA_2008__42_4_657_0,
     author = {Berstel, J. and Harju, T. and Karhum\"aki, J.},
     title = {Preface},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {657--657},
     publisher = {EDP-Sciences},
     volume = {42},
     number = {4},
     year = {2008},
     doi = {10.1051/ita:2008001},
     mrnumber = {2434026},
     zbl = {1168.68304},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/ita:2008001/}
}