TY  - BOOK
AU  - Boyce,William E.
AU  - DiPrima,Richard C.
TI  - Elementary differential equations and boundary value problems / 
SN  - 0471509981
U1  - 515.35 
PY  - 1992///
CY  - New York
PB  - Wiley
KW  - Differential equations
KW  - Boundary value problems
N1  - Includes bibliographical references and index
ER  -