Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) "Hagiwara, Tomomichi and Sugiyama, Masaki",L₂/L₁ induced norm and Hankel norm analysis in sampled-data systems,AIMS Mathematics,2473-6988,American Institute of Mathematical Sciences (AIMS),2024,9,2,3035-3075,https://cir.nii.ac.jp/crid/1050583933991408640,