TY  - BOOK
AU  - Saff, E.B ,Nagle, R.K
TI  - Fundamentals of differential equations
SN  - 0-201-80875-7
U1  - 515.35 NAG'F 
PY  - 1996///
CY  - NEWYORK
PB  - ADDISON - WESLEY
ER  -