@article{etna_vol17_pp102-111,
  author  = {G\"otz Alefeld and Andreas Frommer and Gerhard Heindl and Jan Mayer},
  title   = {On the existence theorems of Kantorovich, Miranda and Borsuk},
  journal = {Electron. Trans. Numer. Anal.},
  volume  = {17},
  year    = {2004},
  pages   = {102--111},
}