TY  - BOOK
AU  - Boyce,William E.
AU  - DiPrima,Richard C.
TI  - Elementary differential equations and boundary value problems
SN  - 0471093319
U1  - 517.35 23
PY  - 1969///]
CY  - New York
PB  - Wiley
KW  - Differential equations
KW  - Boundary value problems
N1  - Bibliography: p. 533
ER  -