TY - JOUR AU - Honda, Shouhei TI - A weakly second-order differential structure on rectifiable metric measure spaces JO - Geometry & topology PY - 2014 SP - 633 EP - 668 VL - 18 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.2140/gt.2014.18.633/ DO - 10.2140/gt.2014.18.633 ID - GT_2014_18_2_a1 ER -