@book{ BB1994628X,
  author    = "泉屋, 周一  and Romero Fuster, M. C. and Ruas, Maria Aparecida Soares and Tari, F. (Farid)",
  title     = "Differential geometry from a singularity theory viewpoint",
  publisher = "World Scientific",
  year      = "2016",
  URL       = "https://ci.nii.ac.jp/ncid/BB1994628X"
}