TY - JOUR AU - Cavalletti, Fabio AU - Rajala, Tapio TI - Tangent Lines and Lipschitz Differentiability Spaces JO - Analysis and Geometry in Metric Spaces PY - 2016 VL - 4 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AGMS_2016_4_1_a8/ LA - en ID - AGMS_2016_4_1_a8 ER -