1 citations to https://www.mathnet.ru/eng/vmumm1566
  1. M. K. Potapov, F. M. Berisha, β€œOn the Connection Between the Best Approximation by Algebraic Polynomials and the Modulus of Smoothness of Order $r$”, Journal of Mathematical Sciences, 155:1 (2008), 153–169  mathnet  crossref  mathscinet  zmath