TY  - BOOK
AU  - Simmons,George F., Robertson, John S.
AU  - x
TI  - Differential equations with applications and historical notes: x
SN  - 0070530718 
U1  - 515.35/S592d 
PY  - 1991///
CY  - New Delhi
PB  - Tata McGraw-Hill
KW  - Differential equations
KW  - Mathematics
ER  -