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) Hattori Toshiaki,Some Diophantine approximation inequalities and products of hyperbolic spaces,Journal of the Mathematical Society of Japan,00255645,一般社団法人 日本数学会,2007,59,1,239-264,https://cir.nii.ac.jp/crid/1390001205116315392,https://doi.org/10.2969/jmsj/1180135509