@techreport{weko_72909_1,
   author	 = "Yasuaki,Kobayashi and Yuichiro,Miyamoto and Hisao,Tamaki",
   title	 = "<i>k</i>-cyclic Orientations of Graphs",
   year 	 = "2011",
   institution	 = "Graduate School of Science and Technology, Meiji University., Department of Information and Communication Sciences, Faculty of Science and Technology, Sophia University., Department of Computer Science, Meiji University.",
   number	 = "6",
   month	 = "feb"
}