共 15 条
[2]
Day R. H., 1963, RECURSIVE PROGRAMMIN
[3]
DAY RH, 1958, AGRICULTURAL SUPPLY
[4]
DOLL JP, 1958, AGRICULTURAL SUPPLY
[5]
Goldberger A., 1966, WILEY PUBLICATIONS S
[6]
HENDERSON JM, 1959, REV EC STATISTICS, V42, P242
[7]
JOHNSON G, 1960, AGR ECON RES, V12, P25
[10]
SAHI RK, 1971, CAN FARM ECON, V6, P1