TY  - BOOK
AU  -  Ayres,Frank  .
TI  - Theory and problems of differntial equations  : in si metric units / 
T2  - Schaums outline series, 
SN  - 0070990069
U1  - 515.35 
PY  - 1981///
CY  - Singapore : 
PB  - McGraw-Hill Book , 
KW  - DIFFERNTIAL EQUATIONS
N1  - Includes index
ER  -