Gupta, P P; Malik, G S; Sanjay Gupta Calculus of finite differences and numerical analysis: A course on numerical methods / Gupta, P P; Malik, G S; Sanjay Gupta - 23 ed. - Krishna Prakashan Media (P) Ltd., Meerut, 1997 - p. ; 22 cm. Subjects--Topical Terms: Differential calculus; Analysis; Mathematics Dewey Class. No.: 515.3 GUP-C23