@Article{ BrCaFaRo19, author = { Bredies, Kristian and Carioni, Marcello and Fanzon, Silvio and Romero, Francisco }, title = { On the extremal points of the ball of the Benamou-Brenier energy }, journal = { Bulletin of the London Mathematical Society }, year = { 2021 }, doi = { https://doi.org/10.1112/blms.12509 }, pages = { }, URL = { http://cvgmt.sns.it/paper/4405/ }, note = { cvgmt preprint} }