Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Fushiki Makoto,24pYC-9 A perturbative method for the Boltzmann equation,Meeting Abstracts of the Physical Society of Japan,2189-0803,The Physical Society of Japan,2005,60.1.2,0,274,https://cir.nii.ac.jp/crid/1390001205999547648,https://doi.org/10.11316/jpsgaiyo.60.1.2.0_274_2