TY - JOUR AU - Richard O'Malley TI - The second Peano derivative as a composite derivative JO - Fundamenta Mathematicae PY - 1989 SP - 99 EP - 103 VL - 132 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/fm-132-2-99-103/ DO - 10.4064/fm-132-2-99-103 LA - en ID - 10_4064_fm_132_2_99_103 ER -