TY  - BOOK
AU  - Zill, Dennis G. 
TI  - Differential Equations with Boundary-Value Problems : Dennis G. Zill, Warren S.Wright  
SN  - 9781133492467
AV  - QA371 .Z55 2009 QA371 .Z55 2009
CY  - USA
PB  - Cengage; c
ER  -