[1] Bockariev, S. V. 1975 Divergent Fourier series on a set of positive measure for any bounded orthonormal system Mat. Sb. 98 140 435–449.

[1] Bockariev, S. V. 1975 Divergent Fourier series on a set of positive measure for any bounded orthonormal system Mat. Sb. 98 140 435–449.)| false
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[2] Getsadze, R. D. 1976 On a. e. divergence of Fourier series for bounded orthonormal systems Bull. Acad. Sci. GSSR 84 41–43.

[2] Getsadze, R. D. 1976 On a. e. divergence of Fourier series for bounded orthonormal systems Bull. Acad. Sci. GSSR 84 41–43.)| false
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[3] Harris, D. C., Wade, W. R. 1978 Sets of divergence on the group 2ω Trans. Amer. Math. Soc. 240 385–392.

[3] Harris, D. C., Wade, W. R.1978Sets of divergence on the group 2^ωTrans. Amer. Math. Soc.240385–392.)| false
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[4] Katznelson, Y. 1968 An introduction to harmonic analysis Wiley New York.

[4] Katznelson, Y. 1968 An introduction to harmonic analysis Wiley New York.)| false
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[5] Kheladze, Sh. V. 1975 On everywhere divergence of Fourier-Walsh series Bull. Acad. Sci. GSSR 77 305–307.

[5] Kheladze, Sh. V. 1975 On everywhere divergence of Fourier-Walsh series Bull. Acad. Sci. GSSR 77 305–307.)| false
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[6] Kheladze, Sh. V. 1978 Divergence everywhere of Fourier series in bounded Vilenkin systems Trudü Mat. Inst. Tbilisi 58 224–242.

[6] Kheladze, Sh. V. 1978 Divergence everywhere of Fourier series in bounded Vilenkin systems Trudü Mat. Inst. Tbilisi 58 224–242.)| false
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[7] Kolmogoroff, A. N. 1923 Une series de Fourier-Lebesgue divergente presque partout Fundamenta Math. 4 324–328.

[7] Kolmogoroff, A. N. 1923 Une series de Fourier-Lebesgue divergente presque partout Fundamenta Math. 4 324–328.)| false
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[8] Kolmogoroff, A. N. 1926 Une serie de Fourier-Lebesgue divergente partout C. R. Acad. Sci. Paris 183 1327–1328.

[8] Kolmogoroff, A. N. 1926 Une serie de Fourier-Lebesgue divergente partout C. R. Acad. Sci. Paris 183 1327–1328.)| false
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[9] Ohkuma, T. 1953 On a certain system of orthogonal step functions Tohoku Math. J. 5 166–167 .

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[9] Ohkuma, T. 1953 On a certain system of orthogonal step functions Tohoku Math. J. 5 166–16710.2748/tmj/1178245303.)| false
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[10] Pál, J., Simon, P. 1977 On a generalization of the concept of derivative Acta Math. Acad. Sci. Hungar. 29 155–164 .

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[10] Pál, J., Simon, P.1977On a generalization of the concept of derivativeActa Math. Acad. Sci. Hungar.29155–16410.1007/BF01896477.)| false
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[11] Price, J. J. 1957 Certain groups of orthonormal step functions Canad. J. Math. 9 413–425 .

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[11] Price, J. J. 1957 Certain groups of orthonormal step functions Canad. J. Math. 9 413–42510.4153/CJM-1957-049-x.)| false
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[12] Schipp, F. 1967 Über die Größenordnung der Partialsummen der Entwicklung integrierbarer Funktionen nachW-Systemen Acta Sci. Math., Szeged 28 123–134.

[12] Schipp, F. 1967 Über die Größenordnung der Partialsummen der Entwicklung integrierbarer Funktionen nachW-Systemen Acta Sci. Math., Szeged 28 123–134.)| false
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[13] Schipp, F. 1969 Über die Divergenz der Walsh-Fourierreihen Annales Univ. Sci. Budapest 12 49–62.

[13] Schipp, F. 1969 Über die Divergenz der Walsh-Fourierreihen Annales Univ. Sci. Budapest 12 49–62.)| false
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[14] Simon, P. 1973 Verallgemeinerte Walsh-Fourierreihen I Annales Univ. Sci. Budapest 16 103–113.

[14] Simon, P. 1973 Verallgemeinerte Walsh-Fourierreihen I Annales Univ. Sci. Budapest 16 103–113.)| false
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[15] Simon, P. 1979 On the convergence of Vilenkin-Fourier series Acta Math. Acad. Sci. Hungar. 33 189–196 .

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[15] Simon, P. 1979 On the convergence of Vilenkin-Fourier series Acta Math. Acad. Sci. Hungar. 33 189–19610.1007/BF01903394.)| false
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[16] Stein, E. M. 1961 On limits of sequences of operators Ann. of Math. 74 140–170 .

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[16] Stein, E. M. 1961 On limits of sequences of operators Ann. of Math. 74 140–17010.2307/1970308.)| false
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[17] Vilenkin, N. Ja. 1947 On a class of complete orthonormal systems Izv. Akad. Nauk SSSR, Ser. Mat. 11 363–400.

[17] Vilenkin, N. Ja. 1947 On a class of complete orthonormal systems Izv. Akad. Nauk SSSR, Ser. Mat. 11 363–400.)| false
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[18] Zygmund, A., Trigonometric series, Cambridge Univ. Press (1959).

[18] Zygmund, A., Trigonometric series, Cambridge Univ. Press (1959).)| false
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