Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Fukamachi Hitoshi and Kondo Kei-Ichi and Nishino Shogo and Shinohara Toru,Gluon bound state and asymptotic freedom derived from the Betheā€“Salpeter equation,Meeting Abstracts of the Physical Society of Japan,2189-0803,The Physical Society of Japan,2017,72.2,0,9-9,https://cir.nii.ac.jp/crid/1390001288092400000,https://doi.org/10.11316/jpsgaiyo.72.2.0_9