@article{Chudziak:2019,
  author  = "J. Chudziak and D. Głazowska and J. Jarczyk and W. Jarczyk",
  title   = "On weighted quasi-arithmetic means which are convex",
  journal = "Mathematical Inequalities and Applications",
  volume  = "Vol. 22",
  number  = "no. 4",
  pages   = "1123--1136",
  year    = "2019",
}