TY - JOUR AU - Wolfgang Kühnel TI - Tight embeddings of simply connected $4$-manifolds JO - Documenta mathematica PY - 2004 SP - 401 EP - 412 VL - 9 UR - http://geodesic.mathdoc.fr/articles/10.4171/dm/171/ DO - 10.4171/dm/171 ID - 10_4171_dm_171 ER -