@article{chalco2015ostrowski,
  author = "Y. Chalco-Cano and W. A. Lodwick and W. Condori-Equice",
  title = "Ostrowski type inequalities and applications in numerical integration for interval-valued functions",
  year = 2015,
  journal = "Soft Computing",
  publisher = "Springer",
  volume = 19,
  number = 11,
  pages = "3293-3300",
  url = "https://link.springer.com/article/10.1007/s00500-014-1483-6"
}