Ortega, J. M. Numerical analysis ; a second course [by] James M. Ortega. - New York: Academic press, 1972 - xiii, 201 p. : ill.; 24 cm. Includes bibliographical references and index book ISBN: 9781483244341 Source: Purchase Subjects--Topical Terms: Numerical analysis LC Class. No.: QA297 / .O78 1972