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
"Nirenberg, L. and Morrey, Charles Bradfield",On the analyticity of the solutions of linear elliptic systems of partial differential equations,,"Department of Mathematics, University of California",1956,Technical report,,,,https://cir.nii.ac.jp/crid/1130282273132304384