TY  - BOOK
AU  - Boyce,William E.
AU  - Diprima,Richard C.
TI  - Elementary differential equations and boundary value problems
AV  - QA372 B69
PY  - 1965///
CY  - New York, N. Y.
PB  - John Wiley
N1  - Bibliografia:  p. 435
ER  -