@article{840434,
      author = {Lemmens, Bas. and Nussbaum, Roger D.,},
      url = {http://library.usi.edu/record/840434},
      title = {Nonlinear Perron-Frobenius theory [electronic resource] /},
      publisher = {Cambridge University Press,},
      recid = {840434},
      pages = {xii, 323 p.},
      address = {Cambridge ;},
      year = {2012},
}