1. The Lebesgue constants for Euler (𝐸,𝑝) summation of Fourier series;Livingston, Arthur E.;Duke Math. J.,1954
2. The Lebesgue constants for Borel summability;Lorch, Lee;Duke Math. J.,1944
3. The Lebesgue constants for (𝐸,1) summation of Fourier series;Lorch, Lee;Duke Math. J.,1952
4. On the Gibbs’ phenomenon for Euler means;Szász, O.;Acta Sci. Math. (Szeged),1950