共 12 条
[5]
KELLY JL, 1956, BELL SYSTEM J JUL, P917
[7]
Markowitz H., 1952, J FINANC, V7, P79
[8]
MARSHALL A, 1950, PRINCIPLES EC, P135
[9]
ROY AD, 1952, ECONOMETRICA, V20, P433
[10]
SAVAGE LJ, 1954, F STATISTICS, P94