TY  - GEN
AU  - Vasanthi, R.P. 
TI  - A first course in difference equation
SN  - 9788189840761
U1  - 515.35 
PY  - 2008///
CY  - Erode 
PB  - Pallavi Pathippagam S. India
N1  - Includes bibliographical references and index
ER  -