@book{ BA50856131,
  author    = "川又, 雄二郎",
  title     = "Characterization of Abelian varieties = アーベル多様体の特徴づけ",
  publisher = "東京大学数理科学研究科",
  year      = "1980",
  URL       = "https://ci.nii.ac.jp/ncid/BA50856131"
}