共 5 条
[1]
Berge C., 1963, TOPOLOGICAL SPACES I
[2]
MENGER K, 1954, ECONOMIC ACTIVITY 3
[3]
Shephard R.W., 2015, THEORY COST PRODUCTI
[4]
PROOF OF THE LAW OF DIMINISHING RETURNS
[J].
ZEITSCHRIFT FUR NATIONALOKONOMIE-JOURNAL OF ECONOMICS,
1970, 30 (1-2)
:7-34
[5]
SHEPHARD RW, 1971, ORC7137 U CAL OP RES