TY  - GEN
AU  - Ayres, Frank
TI  - Theory and problems of differential equations
SN  - 0-07-099006-3 :
U1  - 515.35 
PY  - 1972///
CY  - Singapore
PB  - McGraw-Hill
KW  - DIFFERENTIAL EQUATIONS
N1  - Includes 1900 fully solved problems and also index
ER  -