@misc {IOPORT.70235246,
    author       = {Blanco-Fern\'andez, \'Angela and Corral, Norberto and Gonz\'alez-Rodr{\'\i}guez, Gil and Lubiano, Mar{\'\i}a Asunci\'on},
    title        = {Some properties of the dk-variance for interval-valued random sets},
    howpublished = {SMPS, 331-337 (2008).},
    year         = {2008},
    doi          = {10.1007/978-3-540-85027-4_40},
    identifier   = {70235246},
}