@unpublished{FreedenSchneider1998,
  author  = {Willi Freeden and F. Schneider},
  title   = {Wavelet Approximations on Closed Surfaces and their Application to Boundary-Value Problems of Potential Theory},
  institution = {Fachbereich Mathematik},
  series    = {Berichte der Arbeitsgruppe Technomathematik (AGTM Report)},
  number    = {171},
  year    = {1998},
  url  = {http://nbn-resolving.de/urn:nbn:de:hbz:386-kluedo-5753},
}