@techreport{weko_204529_1, author = "島崎,浩幸 and 玉木,久夫", title = "パス幅3以下でダイヤモンド無矛盾なグラフの3彩色可能性", year = "2020", institution = "明治大学, 明治大学", number = "9", month = "may" }