TY  - BOOK
AU  - Lewis,J.Parry
TI  - An introduction to mathematics for students of economics
SN  - 0333073029
AV  - QA39 .L482 1969
U1  - 510/.024/33 
PY  - 1969///
CY  - London
PB  - Macmillan
KW  - Mathematics
N1  - includes bibliographical references and index
ER  -