1. A. Alldridge, T.R. Johansen, An index formula for Wiener–Hopf operators, http://arxiv.org/math.OA/0611198, submitted for publication
2. Amenable Groupoids;Anantharaman-Delaroche,2000
3. K-Theory. Lecture Notes by D.W. Anderson;Atiyah,1967
4. Wiener–Hopf operators on U2;Berger;Integral Equations Operator Theory,1979
5. Topologies on Closed and Closed Convex Sets;Beer,1993