TY - BOOK AU - Elton, Edwin J.;Gruber, Martin J. TI - Modern Portfolio Theory and Investment Analysis SN - 0-471-04690-6(hbk) U1 - 332.6 ELT PY - 1981/// CY - New York PB - Wiley, KW - Analyse financière KW - Gestion de portefeuille KW - Investment Portfolio analysis N1 - Includes Index ER -