TY  - BOOK
AU  - Piaggio, H. T. H.
TI  - An elementary treatise on differential equations and their applications
U1  - 515.35 22
PY  - 1985///
CY  - Delhi
PB  - CBS Publishers & Distributors
KW  - Economics
KW  - Elementary treatise
KW  - Differential equations
N1  - Includes index
ER  -