Lychak, M. M. “Interval Distribution Function of a Bounded Chaotic Sequence As a Basis of Nonaxiomatic Probability Theory”. Ukrains’kyi Matematychnyi Zhurnal, Vol. 60, no. 8, Aug. 2008, pp. 1128–1137, https://umj.imath.kiev.ua/index.php/umj/article/view/3230.