%0 Journal Article %A Roman Taberski %T Trigonometric approximation in the norms and seminorm %J Studia Mathematica %D 1984 %P 197-217 %V 80 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-80-3-197-217/ %R 10.4064/sm-80-3-197-217 %G en %F 10_4064_sm_80_3_197_217