%0 Journal Article %A A. Zygmund %T A note on the differentiability of integrals %J Colloquium Mathematicum %D 1967 %P 199-204 %V 16 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-16-1-199-204/ %R 10.4064/cm-16-1-199-204 %G en %F 10_4064_cm_16_1_199_204