%0 Journal Article %A Luis A. Caffarelli %A Peter A. Markowich %A Marie-Therese Wolfram %T On a price formation free boundary model by Lasry and Lions: The Neumann problem %J Comptes Rendus. Mathématique %D 2011 %P 841-844 %V 349 %N 15-16 %I Elsevier %R 10.1016/j.crma.2011.07.006 %G en %F CRMATH_2011__349_15-16_841_0