@article{Jofre:731,
      author        = "Bradwardine, Thomas and Jofre, Juan de",
      title         = "{Preclarisimum mathematicarum opus in quo continentur
                       perspicacissimi mathematici Thome Brauardini arismetica et
                       eiusde[m] geometría..}",
      year          = "1503",
      note          = "Capitales grab. xil.",
}