%0 Journal Article %A Kęska, Sergiusz %T The degree of approximation by Hausdorff means of a conjugate Fourier series %J Annales Universitatis Mariae Curie-Skłodowska. Mathematica %D 2016 %V 70 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AUM_2016_70_2_a6/ %G en %F AUM_2016_70_2_a6