Integral Global Weights for Torus Actions on Projective Spaces. Tor Skjelbred — 1974 Mathematica Scandinavica
Cohomology eigenvalues of equivariant mappings. Tor Skjelbred — 1978 Commentarii mathematici Helvetici
Profondeur d’anneaux d’invariants en caractéristique p Geir Ellingsrud; Tor Skjelbred — 1980 Compositio Mathematica
Classification of C*-algebras admitting ergodic actions of the two-dimensional torus. Raphael Hoegh-Krohn; Tor Skjelbred — 1981 Journal für die reine und angewandte Mathematik