TY  - GEN
AU  - Derrick,William R.
AU  - Groosman,Stanley
TI  - Elementary differential equations
SN  - 0-321-04538-6
U1  - 515.35 D4382 1997 
PY  - 1997///
CY  - United States of America
PB  - Addison-Wesley Educational Publishers Inc.
N1  - 500-599
ER  -