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
"Kneppers, H. A. W. M.",The covariant classification of two-dimensional smooth commutative formal groups over an algebraically closed field of positive characteristic,,Mathematische Centrum,1983,Mathematical Centre tracts,,,,https://cir.nii.ac.jp/crid/1130282272862802688