TY  - BOOK
AU  - Lewis,J.Parry
TI  - An introduction to mathematics for students of economics
U1  - 510  23
PY  - 1969/// [reprinted 1970-1971]
CY  - London ; New York
PB  - Macmillan ; St. Martin's Press
KW  - Mathematics
N1  - Includes bibliography
ER  -