RT Journal Article T1 Fuzzy mean-variance portfolio selection problems A1 Almaraz Luengo, Elena PB ICI Publishing House SN 1841-4311 YR 2010 FD 2010 LK https://hdl.handle.net/20.500.14352/43710 UL https://hdl.handle.net/20.500.14352/43710 LA eng DS Docta Complutense RD 28 abr 2024