TY  - BOOK
AU  - Cronin Jane
TI  - Differntial equations: Introduction and qualitative theory
T2  - Monographs and text books in pure and applied mathematics; 54
U1  - B33, M0 
PY  - 1980///
CY  - New York    
PB  -  Marcel Dekker       
KW  - Differential equations
ER  -