TY  - BOOK
AU  - Simmons,George F.
TI  - Differential Equations
U1  - 517.38 
PY  - 1989///
CY  - New Delhi
PB  - Tata Mc Graw-Hill
KW  - Mathematics
KW  - Equations
KW  - গণিত
N1  - With Applications and historical notes
ER  -