Fractional chromatic number and circular chromatic number for distance graphs with large clique size.

Daphne Der-Fen Liu Xuding Zhu Fractional chromatic number and circular chromatic number for distance graphs with large clique size. 129-146 2004 47 Journal of Graph Theory 2 http://dx.doi.org/10.1002/jgt.20020 db/journals/jgt/jgt47.html#LiuZ04