%0 Journal Article %A Kramosil, Ivan %T Approximations of believability functions under incomplete identification of sets of compatible states %J Kybernetika %D 1995 %P 425-450 %V 31 %N 5 %U http://geodesic.mathdoc.fr/item/KYB_1995_31_5_a0/ %G en %F KYB_1995_31_5_a0