%0 Journal Article %A L. Caffarelli %A J. L. Vázquez %T Regularity of solutions of the fractional porous medium flow with exponent~$1/2$ %J Algebra i analiz %D 2015 %P 125-156 %V 27 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_2015_27_3_a6/ %G en %F AA_2015_27_3_a6