@article{Gagunashvili:20091H,
  author = "Gagunashvili, Nikolai",
  title = "{Pearson's Test Modifications for Comparison of Unweighted and Weighted Histograms and Two Weighted Histograms}",
  doi = "10.22323/1.050.0060",
  journal = "PoS",
  year = 2009,
  volume = "ACAT",
  pages = "060"
}