TY  - BOOK
AU  - Betz,Herman
AU  - Ewing,George M.
TI  - Differential equations with applications
AV  - QA371 .B48 1964
U1  - 515 BUR 
PY  - 1964///]
CY  - New York
PB  - Harper & Row
KW  - Differential equations
N1  - This ed. prepared by George M. Ewing; H.B; Includes bibliographies
ER  -