TY  - BOOK
AU  - Braver,Fred
AU  - Nohel, John A.
TI  - Introduction to differential ecquations with applications
SN  - 0-06-040942-8
U1  - 515.35 
PY  - 1986///
CY  - New York
PB  - Harper and Row
KW  - ECUACIONES DIFERENCIALES
ER  -