共 8 条
[2]
Black F., 1975, FINANCIAL ANAL J, V31, P61
[3]
Black F., 1975, FINANCIAL ANAL J, V31, P36, DOI DOI 10.2469/FAJ.V31.N4.36
[6]
JOHNSON NL, 1972, DISTRIBUTIONS STATIS
[8]
ROSS SA, 1978, J BUS, V51, P453