1. Non additive ordinal relations representable by lower or upper probabilities;Capotorti;Kybernetika,1998
2. A. Capotorti, B. Vantaggi, Relationships among ordinal relations on a finite set of events, in: Proceedings of the Seventh International Conference IPMU'98, Paris, France, 1998, vol. 1, pp. 495–502 (Extended version, in: B. Bouchon-Meunier, R.R. Yager, L.A. Zadeh (Eds.), Information, Uncertainty, Fusion, accepted for publication)
3. Coherent qualitative probability;Coletti;Journal of Mathematical Psychology,1990
4. Confidence relations and ordinal information;de Cooman;Information Sciences,1997
5. Sul significato soggettivo della probabilità;de Finetti;Fundamenta Matematicae,1931