@techreport{weko_72907_1,
   author	 = "Takanori,Aoki and Takehiro,Ito and Akira,Suzuki and Kei,Uchizawa and Xiao,Zhou",
   title	 = "Hardness and FPT Algorithm for the Rainbow Connectivity of Graphs",
   year 	 = "2011",
   institution	 = "Graduate School of Information Sciences, Tohoku University., Graduate School of Information Sciences, Tohoku University., Graduate School of Information Sciences, Tohoku University., Graduate School of Information Sciences, Tohoku University., Graduate School of Information Sciences, Tohoku University.",
   number	 = "4",
   month	 = "feb"
}