@article{AIHPC_2002__19_1_41_0,
     author = {Caffarelli, Luis A and Roquejoffre, Jean-Michel},
     title = {A nonlinear oblique derivative boundary value problem for the heat equation : analogy with the porous medium equation},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {41--80},
     publisher = {Elsevier},
     volume = {19},
     number = {1},
     year = {2002},
     mrnumber = {1902545},
     zbl = {1016.35038},
     language = {en},
     url = {http://www.numdam.org/item/AIHPC_2002__19_1_41_0/}
}