Sastry, S. S. Introductory methods of numerical analysis / S.S. Sastry. - 2nd ed. - New Delhi : Prentice-Hall of India, c1989 [Reprinted 1997]. - xi, 296 pages : illustrations ; 23 cm. Includes index. ISBN: 8120306112 Subjects--Topical Terms: Numerical analysis. Dewey Class. No.: 518.6 SAS