@inproceedings{1043089,
    title = "An approximation algorithm for w-coloring of circular arcs",
    author = "Νομικός, Χρήστος and Pagourtzis, Aris and Zachos, Stathis",
    year = "2000",
    pages = "231-238",
    publisher = "World Scientific",
    booktitle = "Advances in informatics. 7th Hellenic Conference on Informatics (HCI '99)"
}