Blachnik, Marcin. “Heterogeneous Distance Functions for Prototype Rules: Influence of Parameters on Probability Estimation”. Studia Informatica. System and information technology 7, no. 1-2 (December 15, 2006): 19–30. Accessed October 30, 2024. https://czasopisma.uws.edu.pl/studiainformatica/article/view/2847.