@article{ITA_2004__38_1_19_0, author = {Brandt, Ulrike and Delepine, Ghislain and Walter, Hermann K.-G.}, title = {Weightreducing grammars and ultralinear languages}, journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications}, pages = {19--25}, publisher = {EDP-Sciences}, volume = {38}, number = {1}, year = {2004}, doi = {10.1051/ita:2004001}, mrnumber = {2059026}, zbl = {1084.68058}, language = {en}, url = {http://www.numdam.org/articles/10.1051/ita:2004001/} }