TY  - BOOK
AU  - DELA FUENTE, RUBEN A.
TI  - Elementary differential equations: reference text
SN  - 971-30-0589-9
PY  - 1999///
CY  - Manila : 
PB  - Merriam & Webster Bookstore, 
KW  - Differential equations.  I. Feliciano, Florentino T.  II. Uy, Fausto B.
ER  -