@book{ BA22831201,
  author    = "Li︠a︡punov, A. M. (Aleksandr Mikhaĭlovich)",
  title     = "Problème général de la stabilité du mouvement",
  publisher = "Kraus Reprint",
  year      = "1965",
  series    = "Annals of mathematics studies",
  number    = "no. 17",
  URL       = "https://ci.nii.ac.jp/ncid/BA22831201"
}