@article{ASNSP_2007_5_6_3_441_0, author = {Valdimarsson, Stef\'an Ingi}, title = {On the hessian of the optimal transport potential}, journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze}, pages = {441--456}, publisher = {Scuola Normale Superiore, Pisa}, volume = {Ser. 5, 6}, number = {3}, year = {2007}, zbl = {1170.49038}, mrnumber = {2370268}, language = {en}, url = {http://www.numdam.org/item/ASNSP_2007_5_6_3_441_0/} }