References
Aumann, G.: Über den Vergleichsfaktor bei linearen Approximationsproblemen. Numer. Math.5, 68–72 (1963).
Sard, A.: Linear approximations. Math. Surveys No. 9, Am. Math. Soc., Providence, R.I., 1963.
Golomb, M., andH. Weinberger: Optimal approximation and error bounds. In: On numerical approximation, 117–190. (ed.R. Langer). Madison, Wisc.: The Univ. of Wisconsin Press (1959).
Fenchel, W.: Convex cones, sets, and functions. Princeton Univ.: Math. Dept. Report, Sept. 1953.
Kelley, J. L., I. Namioka et. al.: Linear topological spaces. Princeton N.J.: D. Van Nostrand Co. 1963.
Davis, P. J.: Errors of numerical approximation for analytic functions. In: Survey of numerical analysis (ed.J. Todd) 468–484. New York, N. Y.: McGraw-Hill, Inc. 1962.
Gurtin, M. E.: A note on functionals continuous with respect to an operator. SIAM J. 12,4, 805–806 (1964).
Davis, P. J.: Interpolation and approximation. New York, N.Y.: Blaisdell Publ. Co. 1963.
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This work was in part supported by the U.S. National Aeronautics and Space Administration under grant NsG-398 and by the U.S. Army Research Office under grant DA-ARO (D)-31-124 G 563.
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Rheinboldt, W.C. On a general estimation principle and a theory of comparison factors. Math Z 94, 396–414 (1966). https://doi.org/10.1007/BF01111670
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DOI: https://doi.org/10.1007/BF01111670