@article{ITA_2001__35_5_453_0,
     author = {Holub, \v{S}t\v{e}p\'an and Kortelainen, Juha},
     title = {Linear size test sets for certain commutative languages},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {453--475},
     year = {2001},
     publisher = {EDP Sciences},
     volume = {35},
     number = {5},
     mrnumber = {1908866},
     zbl = {1010.68103},
     language = {en},
     url = {https://www.numdam.org/item/ITA_2001__35_5_453_0/}
}