%0 Journal Article %A H. Sampławski %T Fourier series and structural properties of functions %J Commentationes Mathematicae %D 1969 %P 193-199 %V 12 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/cm.v12i2.5137/ %R 10.14708/cm.v12i2.5137 %G pl %F 10_14708_cm_v12i2_5137