@article{866159,
      author = {Crippa, Davide,},
      url = {http://library.usi.edu/record/866159},
      title = {The impossibility of squaring the circle in the 17th  century : a debate among Gregory, Huygens and Leibniz /},
      recid = {866159},
      pages = {1 online resource (viii, 184 pages).},
}