Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 竹本 義夫,New Notation and Relativistic Form of the 4-dimensional Vector in Time-Space,日本文理大学紀要 = Bulletin of Nippon Bunri University,02873036,大分 : 日本文理大学,2006-03,34,1,32-38,https://cir.nii.ac.jp/crid/1520290884053429888,