Introduction to numerical analysis. Lärobok i numerisk analys. English Fröberg, Carl Erik. Numerical analysis. QA297 .F6813 1969 517.6 FRI Translation of Lärobok i numerisk analys. Includes bibliographical references. Reading, Mass., Addison-Wesley Pub. Co. [1969] [1969] 1969 Text xii, 433 p. eng engswe