@unpublished{TarkhanovWallenta2012,
  author  = {Nikolai Nikolaevich Tarkhanov and Daniel Wallenta},
  title   = {The Lefschetz number of sequences of trace class curvature},
  institution = {Institut f{\"u}r Mathematik},
  series    = {Preprints des Instituts f{\"u}r Mathematik der Universit{\"a}t Potsdam},
  number    = {1 (2012) 3},
  year    = {2012},
}