TY  - BOOK
AU  - Cushing,J.M..
TI  - Differential equations: an applied approach 
SN  - 013044930X
AV  - QA371  .C87 2004
PY  - 2004///
CY  - Upper Saddle River, NJ
PB  - Pearson
KW  - Differential equations
ER  -