Thomas Niessen, Jaakob Kind. The round-up property of the fractional chromatic number for proper circular arc graphs. Journal of Graph Theory, 33(4):256-267, 2000. [doi]
@article{NiessenK00,
title = {The round-up property of the fractional chromatic number for proper circular arc graphs},
author = {Thomas Niessen and Jaakob Kind},
year = {2000},
doi = {10.1002/(SICI)1097-0118(200004)33:4<256::AID-JGT7>3.0.CO;2-2},
url = {http://dx.doi.org/10.1002/(SICI)1097-0118(200004)33:4<256::AID-JGT7>3.0.CO;2-2},
researchr = {https://researchr.org/publication/NiessenK00},
cites = {0},
citedby = {0},
journal = {Journal of Graph Theory},
volume = {33},
number = {4},
pages = {256-267},
}