%0 Journal Article %A Cavalletti, Fabio %A Rajala, Tapio %T Tangent Lines and Lipschitz Differentiability Spaces %J Analysis and Geometry in Metric Spaces %D 2016 %V 4 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AGMS_2016_4_1_a8/ %G en %F AGMS_2016_4_1_a8