TY  - BOOK
AU  - Vasishtha, A. R. 
AU  - Vasishtha, Vipin 
TI  - Calculus of finite differences and Numerical Analysis: a course on numerical methods 
U1  - 518 
PY  - 2004///
CY  - New Delhi
PB  - Kedar Nath Ram Nath, 
KW  - Numarical Analysis
ER  -