Estimates of uniform and integral norms of de la Vallée Poussin means for Fourier–Legendre sums in connection with certain problems of approximation theory
Korkmasov, Fuad Mueddinovich, 2001, Candidate of Sciences dissertation
Estimates of uniform and integral norms of de la Vallée Poussin means for Fourier–Legendre sums in connection with certain problems of approximation theory — Korkmasov, Fuad Mueddinovich — 2001 — Russian Dissertation Library