TY  - BOOK
AU  - Simmons, George F
TI  - Differential equations: with applications and historical notes
SN  -  0-07-099572-9
U1  - 515.35 
PY  - 1972///
CY  - New delhi
PB  - Tata McGraw-hill
KW  - ANALYSIS
KW  - DIFFERENTIAL EQUATIONS
ER  -