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Bronevich, Andrey G.; Rozenberg, Igor N. . (2019). The contradiction between belief functions: Its description, measurement, and correction based on generalized credal sets. International Journal of Approximate Reasoning, 112(), 119–139. doi:10.1016/j.ijar.2019.06.001 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research