TY  - BOOK
AU  - Zill,Dennis G., x
AU  - x
TI  - A first course in differential equations with applications: x
SN  - 0871503100
U1  - 515.35/Z69f 
PY  - 1982///
CY  - Boston
PB  - Prindle, weber & Schmidt
KW  - Calculus
N1  - Includes
ER  -