@article{ITA_1997__31_1_81_0,
     author = {Honkala, J.},
     title = {On lindenmayerian rational subsets of monoids},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {81--96},
     year = {1997},
     publisher = {EDP Sciences},
     volume = {31},
     number = {1},
     mrnumber = {1460458},
     zbl = {0876.68066},
     language = {en},
     url = {https://www.numdam.org/item/ITA_1997__31_1_81_0/}
}