共 7 条
[3]
DUFFIN RJ, 1956, ANN MATH STUD, P157
[4]
GALE D, 1951, COWLES COMMISSION RE, P317
[5]
KOOPMANS TC, 1951, COWLES COMMISSION ED, P317
[7]
KUHN HW, 1956, ANN MATH STUD, P157