TY  - BOOK
AU  - Boyce,William E.
AU  - Di Prima,Richard C.
TI  - Elementary differential equations and boundary value problems
SN  - 0-471-08955-9
AV  - QA371 B69 1997
PY  - 1997///
CY  - New York
PB  - John Wiley
N1  - Incluye bibliografia; v.2. Studen solutions manual
ER  -