@article{CRMATH_2011__349_15-16_841_0,
     author = {Luis A. Caffarelli and Peter A. Markowich and Marie-Therese Wolfram},
     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},
}