TY  - BOOK
AU  - Heading, John
AU  - Marder, L
TI  - Ordinary Differential equations
T2  - Problem solvers
SN  - 0045170037
AV  - QA 372 Hea 
PY  - 1971///
CY  - London
PB  - Allen and Unwin
KW  - MATHEMATICS--HANDBOOKS, MANUALS, ETC
KW  - DIFFERENTIAL EQUATIONS--PROBLEMS, EXERCISES, ETC.
ER  -