Ostasiewicz, K., & Vernizzi, A. (2017). DECOMPOSITION AND NORMALIZATION OF ABSOLUTE DIFFERENCES, WHEN POSITIVE AND NEGATIVE VALUES ARE CONSIDERED:APPLICATIONS TO THE GINI COEFFICIENT. Metody Ilościowe W Badaniach Ekonomicznych, 18(3), 472–491. https://doi.org/10.22630/MIBE.2017.18.3.44