TY  - BOOK
AU  - Martin, W. T. and Reissner, Eric
AU  - Reissner, Eric
TI  - Elementary differential equations
T2  - Addison-Wesley series in Mathematics
SN  - 978-0201045031
U1  - 515.35 
PY  - 1964///
CY  - Massachusetts
PB  - Addison-Wesley
ER  -