Adam Kasperski Discrete Optimization with Interval Data - Minmax Regret and Fuzzy Approach 228 2008 3-207 Springer Studies in Fuzziness and Soft Computing http://dx.doi.org/10.1007/978-3-540-78484-5 978-3-540-78483-8 db/series/sfsc/index.html#Kasperski08