TY  - BOOK
AU  - Simmons, George F.
AU  - Robertson, John S
TI  - Differential equations with applications and historical notes
SN  - 9780070530718
U1  - 517.9 
PY  - 1991///
CY  - New Delhi
PB  - TMH
KW  - DIFFERENTIAL EQUATIONS
KW  - NUMERICAL METHODS
ER  -