Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) UKAI Seiji,On the Existence of Global Solutions of Mixed Problem for Non-linear Boltzmann Equation,Proceedings of the Japan Academy,0021-4280,The Japan Academy,1974,50,3,179-184,https://cir.nii.ac.jp/crid/1390001205110173440,https://doi.org/10.3792/pja/1195519027