共 12 条
[1]
COHEN KJ, 1967, J BUS APRIL, P166
[2]
DRAPER N, 1966, APPLIED REGRESSION A
[3]
ELTON E, ESTIMATING DEPENDENC
[4]
ELTON EJ, 1970, J FINANCIAL QUAN JAN, P581
[5]
ELTON EJ, 1971, J BUSINESS OCT, P432
[6]
FARRELL JL, 1971, THESIS NEW YORK U
[7]
KING B, 1966, J BUSINESS S JAN, P139
[8]
KING BF, 1967, J AM STATISTICAL ASS, P87
[9]
Markowitz HM, 1959, EFFICIENT DIVERSIFIC
[10]
Sharpe W, 1963, MANAGE SCI, P277