%0 Journal Article %A Lisca, Paolo %T Lens spaces, rational balls and the ribbon conjecture %J Geometry & topology %D 2007 %P 429-472 %V 11 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.2140/gt.2007.11.429/ %R 10.2140/gt.2007.11.429 %F GT_2007_11_1_a6