%0 Journal Article %A Miguel Ángel García-Ariza %T A Geometric Approach to the Concept of Extensivity in Thermodynamics %J Symmetry, integrability and geometry: methods and applications %D 2019 %V 15 %U http://geodesic.mathdoc.fr/item/SIGMA_2019_15_a14/ %G en %F SIGMA_2019_15_a14