@article{CRMATH_2011__349_15-16_841_0, author = {Caffarelli, Luis A. and Markowich, Peter A. and Wolfram, Marie-Therese}, title = {On a price formation free boundary model by {Lasry} and {Lions:} {The} {Neumann} problem}, journal = {Comptes Rendus. Math\'ematique}, pages = {841--844}, publisher = {Elsevier}, volume = {349}, number = {15-16}, year = {2011}, doi = {10.1016/j.crma.2011.07.006}, language = {en}, url = {http://www.numdam.org/articles/10.1016/j.crma.2011.07.006/} }