%0 Journal Article %A Vasilis Chousionis %T Directed porosity on conformal iterated function systems and weak convergence of singular integrals %J Annales Fennici Mathematici %D 2009 %P 215-232 %V 34 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AFM_2009_34_1_a11/ %G en %F AFM_2009_34_1_a11