Erik Quaeghebeur. Lower and Upper Covariance. In Didier Dubois, María Asunción Lubiano, Henri Prade, María Angeles Gil, Przemyslaw Grzegorzewski, Olgierd Hryniewicz, editors, Soft Methods for Handling Variability and Imprecision, Selected papers from the 4th International Conference on Soft Methods in Probability and Statistics, SMPS 2008, Toulouse, France, September 8-10, 2008. Volume 48 of Advances in Soft Computing, pages 323-330, Springer, 2008. [doi]
Abstract is missing.