Über die Galoiskohomologie halbeinfacher algebraischer Gruppen. III. G. Harder (1975) Journal für die reine und angewandte Mathematik
Unipotent Characters of the Sympletic and Odd Orthogonal Groups Over a Finite Field. George Lusztig (1981) Inventiones mathematicae
Unstable homotopy invariance for finite fields Kevin P. Knudson (2002) Fundamenta Mathematicae We prove that if k is a finite field with p d elements, then the natural map H i ( G L ₙ ( k ) , ℤ ) → H i ( G L ₙ ( k [ t ] ) , ℤ ) is an isomorphism for 0 ≤ i < d(p-1) and for all n.