TY  - BOOK
AU  - Hukukane, Nikaido
AU  - Sato, Kazuo
TI  - Introduction to sets and mappings in modern economics
U1  - 330.115 
PY  - 1970///
CY  - Amsterdam
PB  - North-Holland Publishing Company
KW  - Economic
KW  - Economics
KW  - Business
KW  - demography
KW  - Money
ER  -