Bnmo de Finetti. La prevision: ses lois logiques, sea sources subjectives,. Annetta de l'In.stitut Henri Poincard, 1937. DP09. Yassine Djouadi and Henri Prade. Interval-valued fuzzy formal concept analysis. In ISMS '09: Proc. of the 18th International Symposium on Foundations of Intelligent Systems, pages