TY  - BOOK
AU  - Simmons, George F.
AU  - Robetson, John S. (2nd ed.)
TI  - Differential equations with applications and historical notes
SN  - 0070995729
U1  - 517.38 
PY  - 1992///
CY  - New Delhi
PB  - Tata McGraw-Hill
KW  - Differential equations
ER  -