Vasishtha, A. R. Calculus of finite differences and numerical analysis : a course on numerical methods / A. R. Vasishtha and Vipin Asishtha. - Delhi : Kedar Nath Ram Nath, c 1998. - viii, 383 p. ; 21 cm. 310 310 Subjects--Topical Terms: Numerical analysis -- Congresses. Dewey Class. No.: 515 / V44c