Local Surgery Obstructions and Space Forms. Ian Hambleton; Ib Madsen — 1986 Mathematische Zeitschrift
On the Swan Subgroup of Certain Periodic Groups. Ib Madsen; Steffen Bentzen — 1983 Mathematische Annalen
On the classification of G-spheres II: PL automorphism groups. Ib Madsen; Melvin Rothenberg — 1989 Mathematica Scandinavica
Homology Operations in the Eilenberg-Moore Spectral Sequence. Hans Ligaard; Ib Madsen — 1975 Mathematische Zeitschrift
On the discriminants of forms with Arf invariant one. Ian Hambleton; Ib Madsen — 1989 Journal für die reine und angewandte Mathematik
On the homotopy theory of equivariant automorphism groups. Mel Rothenberg; Ib Madsen — 1988 Inventiones mathematicae
On Evaluation of Higher Order Cohomology Operations. Ib Madsen; Leif Kristensen — 1967 Mathematica Scandinavica
On the de Rham–Witt complex in mixed characteristic Lars Hesselholt; Ib Madsen — 2004 Annales scientifiques de l'École Normale Supérieure
Rigidity of certain finite group actions on the complex projective plane. Ib Madsen; I. Hambleton; R. Lee — 1989 Commentarii mathematici Helvetici
On the Realization of Certain Modules over the Steenrod Algebra. Ib Madsen; Nils A. Baas — 1972 Mathematica Scandinavica