TY  - BOOK
AU  - Boyce, William E
AU  - DiPrima, Richard C.
TI  - Elementary differential equations and boundary value problems. 8th ed
SN  - 9780471433385
AV  - QA371. B773 
PY  - 2005///
PB  - Wiley
KW  - Differential equations
KW  - Boundary value problems
ER  -