1 citations to https://www.mathnet.ru/eng/dan1224
  1. A. Yu. Moskvin, “Topology of the Liouville foliation on a 2-sphere in the Dullin-Matveev integrable case”, Sb. Math., 199:3 (2008), 411–448  mathnet  crossref  crossref  mathscinet  zmath  isi  elib  elib