Ana Belén Ramos Gil González-Rodríguez Ana Colubi María Angeles Gil Asymptotic Tests for the Variance of a Fuzzy Random Variable Using the DK-Metric. 140-146 2008 SMPS http://dx.doi.org/10.1007/978-3-540-85027-4_18 conf/smps/2008 db/conf/smps/smps2008.html#RamosGCG08