TY  - BOOK
AU  - Vasishtha,A.R.
AU  - Vasishtha,Vipin
TI  - Calculus of finite differences and numerical analysis: a course on numerical methods 
U1  - 518 22
PY  - 1998///
CY  - New Delhi
PB  - Kedar Nath Ram Nath
KW  - Numerical analysis
ER  -