Ingi Valdimarsson, Stefán. “On the Hessian of the Optimal Transport Potential ”. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE 6, no. 3 (December 2, 2009): 441-456. Accessed May 26, 2026. https://journals-dev.sns.it/index.php/annaliscienze/article/view/131.