TY  - BOOK
AU  - BETZ, HERMAN
AU  - EWING, GEORGE M
AU  - BURCHAM, PAUL B
TI  - DIFFERENTIAL EQUATIONS WITH APPLICATION
U1  - B33 
PY  - 1954///
CY  - New York
PB  - Harper & Row
KW  - DIFFERENTIAL EQUATIONS,APPLICTAIONS,MATHEMATICS
ER  -