TY - JOUR AU - Melvin, Paul TI - On 4-Manifolds with Singular Torus Actions. JO - Mathematische Annalen PY - 1981 VL - 256 SP - 255 EP - 276 KW - closed orientable 4-manifolds; T2-actions; complete classification UR - http://eudml.org/doc/163510 ER -