Yun Liu, Kar-Ping Shum, Yuqi Guo. Relatively regular languages and thin codes. Eur. J. Comb., 29(1):261-267, 2008. [doi]
@article{LiuSG08,
title = {Relatively regular languages and thin codes},
author = {Yun Liu and Kar-Ping Shum and Yuqi Guo},
year = {2008},
doi = {10.1016/j.ejc.2006.09.002},
url = {http://dx.doi.org/10.1016/j.ejc.2006.09.002},
researchr = {https://researchr.org/publication/LiuSG08},
cites = {0},
citedby = {0},
journal = {Eur. J. Comb.},
volume = {29},
number = {1},
pages = {261-267},
}