On Torsion in the Cohomology of Certain S-arithmetic Groups.
On a measure theoretic aspect of diophantine approximation.
On some Kloosterman sums.
Some families of finite groups and their rings of invariants
Cohomology sets inside arithmetic groups
Erratum to "Cohomology sets inside arithmetic groups" (Acta Arith. 107 (2003), 27-33)
On the proof of Humbert's volume formula.
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