%0 Journal Article %A P. Oswald %T Spline approximation in $H_{p}(T)$, p≤ 1 %J Studia Mathematica %D 1985 %P 13-28 %V 81 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-81-1-13-28/ %R 10.4064/sm-81-1-13-28 %G en %F 10_4064_sm_81_1_13_28