Klaus Schiefermayr, “Estimates for the asymptotic convergence factor of two intervals”, Journal of Computational and Applied Mathematics, 236, no. 1, 2011, 28
Klaus Schiefermayr, “An upper bound for the norm of the Chebyshev polynomial on two intervals”, Journal of Mathematical Analysis and Applications, 445, no. 1, 2017, 871
Klaus Schiefermayr, Olivier Sète, “Walsh’s Conformal Map onto Lemniscatic Domains for Several Intervals”, Constr Approx, 2025