%0 Journal Article %A C. Neugebauer %T Smoothness and differentiability in $L_{p}$ %J Studia Mathematica %D 1964 %P 81-91 %V 25 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-25-1-81-91/ %R 10.4064/sm-25-1-81-91 %G en %F 10_4064_sm_25_1_81_91