TY  - BOOK
AU  - Cronin,Jane
TI  - Differential equations: Introduction and qualitative theory 
SN  - 0824768191
U1  - 515.3/5 
PY  - 1980///
CY  - New York
PB  - M. Dekker
KW  - Differential equations
N1  - Includes index; Bibliogr.: p. 363-368
ER  -