TY  - BOOK
AU  - Ayres, Frank, Ault, J. C.
TI  - Theory and problems of differential equations: in SI metric units
SN  - 0070990050
U1  - 515.35 
PY  - 0000///New york
CY  - 1989
PB  - McGraw-Hill Book
KW  - Differential equations
KW  - Mathematical analysis
KW  - Mathematics
ER  -