TY  - BOOK
AU  - Burkill J C
TI  - Theory of ordinary differential equations
T2  - Longman Mathematical Texts. Ed by Allan Jeffrey and Iain Adamson
U1  - B33, L5 
PY  - 1975///
CY  - London
PB  - Longman          
KW  - Equations
N1  - Bibliography: P 120; Appendix:  P 97-119
ER  -