%0 Journal Article %A Kühnel, Wolfgang %T Tight embeddings of simply connected $4$-manifolds %J Documenta mathematica %D 2004 %P 401-412 %V 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DOCMA_2004__9__a11/ %G en %F DOCMA_2004__9__a11