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To Professor P. Erdős on his 70th birthday
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Vértesi, P. New estimation for the Lebesgue function of Lagrange interpolation. Acta Mathematica Academiae Scientiarum Hungaricae 40, 21–27 (1982). https://doi.org/10.1007/BF01897298
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DOI: https://doi.org/10.1007/BF01897298