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 "坂内, 悦子",Positive definite unimodular lattices with trivial automorphism groups,,American Mathematical Society,1990,Memoirs of the American Mathematical Society,,0821824910,,https://cir.nii.ac.jp/crid/1130282269599780736