Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) "Ishii, Hitoshi and Loreti, Paola",Relaxation in the Cauchy problem for Hamilton-Jacobi equations (Viscosity Solution Theory of Differential Equations and its Developments),数理解析研究所講究録,1880-2818,京都大学数理解析研究所,2005-04,1428,,58-71,https://cir.nii.ac.jp/crid/1050001202296882304,