TY  - BOOK
AU  - Zill,Dennis G.
TI  - A first course in differential equations
SN  - 0534931545 (hbk)
U1  - 515.35 20
PY  - 1993///
CY  - Boston
PB  - PWS-Kent Pub. Co.
KW  - Differential equations
N1  - Includes index
ER  -