A convexity theorem for certain groups of transformations. (English) Zbl 0052.06302

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[1] T. Bang, Une inégalité de Kolmogoroff et les fonctions presque-périodiques,Danske Vid. Selsk. Math. Fys. Medd. 19, no. 4 (1941), 28 pp.
[2] J. Marcinkiewicz, Sur les multiplicateurs des séries de Fourier,Studia Math. vol. 8 (1939), pp. 78–91. · Zbl 0020.35403
[3] R. Nevanlinna, Eindeutige Analytische Funktionen, Berlin, 1936.
[4] M. Riesz, Sur les maxima des formes billinéaires et sur les fonctionnelles linéaires,Acta Math. vol. 49 (1926), pp. 465–497. · JFM 53.0259.03
[5] G. Thorin, Convexity theorems generalizing those of M. Riesz and Hadamard with some applications,Comm. Sem. Math. Univ. Lund, vol. 9 (1948), pp. 1–58. · Zbl 0034.20404
[6] A. Zygmund, Trigonometrical Series, Warsaw-Lwow, 1936.
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