TY  - BOOK
AU  - Edwards, C.H.,Jr.
AU  - Penney, David E.
TI  - Elementary differential equations with boundary value problems
SN  - 0130908797
PY  - 1993///
CY  - Englewood Cliffs, N.J.
PB  - Prentice Hall 
KW  - Differential equations
KW  - Boundary value problems
ER  -