@article{Mydlarczyk:2000,
  author  = "W. Mydlarczyk and W. Okrasiński",
  title   = "On a Generalization of the Osogood Condition",
  journal = "Journal of Inequalities and Applications",
  volume  = "Vol. 5",
  pages   = "497--504",
  year    = "2000",
}