著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Buley, E. R.",The differentiability of solutions of certain variational problems for multiple integrals,,"Dept. of Mathematics, University of California",1960,Technical report,,,,https://cir.nii.ac.jp/crid/1130000798195219200