Ortega, James M., 1932- Numerical analysis; a second course/ [by] James M. Ortega. - New York: Academic Press, [1972]. - xiii, 201 p.: illus., 24 cm. - Computer science and applied mathematics . Bibliography: p. 195. ISBN: 0125285604 LCCN: 75182669 Subjects--Topical Terms: Numerical analysis. Dewey Class. No.: 519.4 / O77n