%0 Journal Article %A Lizaveta Ihnatsyeva %A Juha Lehrbäck %A Heli Tuominen %A Antti V. Vähäkangas %T Fractional Hardy inequalities and visibility of the boundary %J Studia Mathematica %D 2014 %P 47-80 %V 224 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm224-1-3/ %R 10.4064/sm224-1-3 %G en %F 10_4064_sm224_1_3