TY - JOUR AU - Almaraz Luengo, Elena Salome PY - 2010 SN - 1841-4311 UR - https://hdl.handle.net/20.500.14352/43710 T2 - Advanced modelling and optimization LA - eng M2 - 399 PB - ICI Publishing House KW - Fuzzy number KW - Mean-variance model KW - Portfolio selection TI - Fuzzy mean-variance portfolio selection problems TY - journal article VL - 12 ER -