TY  - BOOK
AU  - Edwards,C.H.Jr,& Penney,D.E
ED  - Penney, D.E
TI  - Elementary differential equations with applications
SN  - 0132540460
U1  - 10.01 
PY  - 1989///
CY  - Englewood Cliffs
PB  - Prentice-Hall
ER  -