@article{Matkowski:2011,
  author  = "J. Matkowski",
  title   = "Invariance of the Cauchy means with respect to Lagrange mean-type mappings of the same generations",
  journal = "Acta Mathematica Hungarica",
  volume  = "Vol. 132",
  number  = "no 1-2",
  pages   = "92--106",
  year    = "2011",
}