1. Ambrosio, L., Gigli, N., Savaré, G.: Gradient flows in metric spaces and in the space of probability measures, second ed. Lectures in Mathematics ETH Zürich. Birkhäuser, Basel (2008)
2. Ambrosio, L., Gigli, N., Savaré, G.: Calculus and heat flow in metric measure spaces and applications to spaces with Ricci bounds from below. arXiv 1106.2090 (2011)
3. Aubin, J.P.: Mutational and Morphological Analysis. Birkhauser, Boston (1990)
4. Bird, R.B., Curtiss, C., Amstrong, R., Hassager, O.: Dynamics of Polymeric Liquids, Kinetic Theory, Vol. 2. Wiley, New York (1987)
5. Bleecker, D., Calcaterra, C.: Generating flows on metric spaces. J. Math. Anal. Appl. 248, 645–677 (2000)