共 6 条
[1]
AVRIEL M, 1988, GENERALIZED CONCAVIT
[2]
9 KINDS OF QUASI-CONCAVITY AND CONCAVITY
[J].
JOURNAL OF ECONOMIC THEORY,
1981, 25 (03)
:397-420
[5]
Lang S., 1983, REAL ANAL, VSecond edition
[6]
Mangasarian O.L., 1969, NONLINEAR PROGRAMMIN