TY  - BOOK
AU  - Conrad,Bruce P.
TI  - Differential equations: a systems approach 
SN  - 0130460265 :
AV  - QA372 .C66
PY  - 2003///
CY  - Upper Saddle River, NJ
PB  - Prentice Hall
KW  - Differential equations
N1  - Includes index
ER  -