TY  - BOOK
AU  - O'Brien, R. J.
AU  - Garcia, G. G.
TI  - Mathematics for economists and social scientists
U1  - 510 OBR 
PY  - 1971///
CY  - London
PB  - MacMillan
KW  - Mathematics
N1  - Includes bibliographical references (p.593-596)
ER  -