TY  - BOOK
AU  - Derrick, William
AU  - Grossman, Stanley
TI  - Elementary differential equations with applications
SN  - 0201031620
U1  - 515.35 
PY  - 1981///
CY  - 
PB  - Addison Wesley
KW  - Ecuaciones diferenciales
N1  - Appendix: integral tables
ER  -