TY  - BOOK
AU  -      Nikaidō, Hukukane
AU  - Sato, Kazuo
TI  - Introduction to sets and mapping in modern economics
U1  - 330.0151 23
PY  - 1970/// [Printing 1975]
CY  - Amsterdam
PB  - North-Holand Publishing company
KW  - Economics, Mathematical
N1  - Includes bibliography & index
ER  -