@article{ITA_1996__30_5_415_0,
     author = {Kurth, Winfried},
     title = {One-rule {semi-Thue} systems with loops of length one, two or three},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {415--429},
     publisher = {EDP-Sciences},
     volume = {30},
     number = {5},
     year = {1996},
     mrnumber = {1435730},
     zbl = {0867.68064},
     language = {en},
     url = {http://archive.numdam.org/item/ITA_1996__30_5_415_0/}
}