TY  - BOOK
AU  - Boyce, William E.
TI  - Elementary differential equations and boundary value problems
U1  - 515.35BOY 21
PY  - 1969///
CY  - NewYork
PB  - John Wiley & Sons, Inc.
KW  - Differential equations
KW  - Mathematics
N1  - includes index
ER  -