Helmut Jürgensen, Gabriel Thierrin. ω-Languages whose syntactic monoid is trivial. International Journal of Parallel Programming, 12(5):359-365, 1983. [doi]
@article{JurgensenT83,
title = {ω-Languages whose syntactic monoid is trivial},
author = {Helmut Jürgensen and Gabriel Thierrin},
year = {1983},
doi = {10.1007/BF01008047},
url = {http://dx.doi.org/10.1007/BF01008047},
researchr = {https://researchr.org/publication/JurgensenT83},
cites = {0},
citedby = {0},
journal = {International Journal of Parallel Programming},
volume = {12},
number = {5},
pages = {359-365},
}