TY  - BOOK
AU  - Piaggio,H.T.H.
TI  - An elementary treatise on differential equations and their applications
U1  - 515.3/5 19
PY  - 1928///.[Reprinted 2001]
CY  - London, New Delhi
PB  - G. Bell, CSB Publisher
KW  - An elementary treatise on differential equations and their applications
ER  -