00403nam a2200133Ia 4500020001500000082001900015100003400034245004400068260003400112300002800146490006300174500000500237700002700242  a3540429158  a332.6bW246.PS  aWang, Shouyang and Xia, Yusen  aPortfolio selection and asset pricingb  aBerlinbSpringer-Verlagc2002  axii, 200p. Bibl. Index.  aLecture notes in Economics and Mathematical Systems v 514  a  aXia, Yusen ; jt. auth.