Ortega, J. M. (1990). Numerical analysis: A second course. Society for Industrial and Applied Mathematics.
Chicago-viite (17. p.)Ortega, James M. Numerical Analysis: A Second Course. Philadelphia, Pennsylvania: Society for Industrial and Applied Mathematics, 1990.
MLA-viite (9. p.)Ortega, James M. Numerical Analysis: A Second Course. Society for Industrial and Applied Mathematics, 1990.
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