著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "有川, 節夫",Closure and non-closure properties of quasi context-sensitive languages,,Kyushu University. Research Institute of Fundamental Information Science,1973,Research report,,,,https://cir.nii.ac.jp/crid/1130000798168123776