TY  - GEN
AU  - ZILL, Dennis G
TI  - Even-numbered answers to accompany differential equations with boundary-value problems
SN  - 0-87150-937-7
AV  - QA371.Z55 
PY  - 1986///
CY  - Boston
PB  - Prindle, weber and Scmidt
KW  - Mathematics
ER  -