著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) NAKANISHI Yasuhiko and NAKAGIRI Shigeru,Structural Optimization under Topological Constraint Represented by Homology Groups. (Topological Constraint on One-Dimensional Complex by Use of Zero- and One-Dimensional Homology Groups).,JSME International Journal Series A Solid Mechanics and Material Engineering,13447912,一般社団法人 日本機械学会,1997,40,3,219-227,https://cir.nii.ac.jp/crid/1390001206493541120,https://doi.org/10.1299/jsmea.40.219