@techreport{weko_225155_1,
   author	 = "村上,弘",
   title	 = "行列固有値問題の近似固有対の前処理用フィルタを用いた精度改良",
   year 	 = "2023",
   institution	 = "東京都立大学・数理科学専攻",
   number	 = "11",
   month	 = "mar"
}