%0 Journal Article %A Richard O'Malley %T The second Peano derivative as a composite derivative %J Fundamenta Mathematicae %D 1989 %P 99-103 %V 132 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-132-2-99-103/ %R 10.4064/fm-132-2-99-103 %G en %F 10_4064_fm_132_2_99_103