@article{Kominek:1995,
  author  = "Z. Kominek and J. Matkowski",
  title   = "On stability of the homogeneity condition",
  journal = "Results in Mathematics. Resultate der Mathematik",
  volume  = "Vol. 27",
  number  = "no 3-4",
  pages   = "373--380",
  year    = "1995",
}