TY  - BOOK
AU  - Derrick, William R.
TI  - Introduction to Differential Equations: with boundary value problems
SN  - 314268979
U1  - 515.35 DER 
PY  - 1987///
CY  - St.Paul
PB  - West Publication Company
KW  - Humanities & Natural Science
KW  - Mathematics
N1  - Includes Index
ER  -