@techreport{weko_30025_1,
   author	 = "張紹良 and 藤野,清次",
   title	 = "反復解決の収束特性と計算効率",
   year 	 = "1991",
   institution	 = "計算流体力学研究所, 計算流体力学研究所",
   number	 = "61(1991-HPC-037)",
   month	 = "jul"
}