TY  - BOOK
AU  - Ymas, Sergio E., Jr.
TI  - Differential equations
SN  - 6858769413619 Pbk. Np.
AV  - QA 304 Y53 2002 F CASAT 
PY  - 2002///
CY  - Manila : 
PB  - Sta. Monica Printing Corporation
KW  - Differential calculus
ER  -