TY  - BOOK
AU  - Cronin, Jane
TI  - Differential equations: introduction and qualitative theory
SN  - 0-8247-9189-4
U1  - 515.35 
PY  - 1994///
CY  - New York
PB  - Marcel Dekker
KW  - Differential equations
KW  - Qualitative theory
ER  -