Karel Culik II, Tero Harju. The omega-Sequence Problem for DOL Systems Is Decidable. Journal of the ACM, 31(2):282-298, 1984. [doi]
@article{CulikH84,
title = {The omega-Sequence Problem for DOL Systems Is Decidable},
author = {Karel Culik II and Tero Harju},
year = {1984},
doi = {10.1145/62.2161},
url = {http://doi.acm.org/10.1145/62.2161},
researchr = {https://researchr.org/publication/CulikH84},
cites = {0},
citedby = {0},
journal = {Journal of the ACM},
volume = {31},
number = {2},
pages = {282-298},
}