@unpublished{PinnauRuiz2007, author = {Rene Pinnau and Jorge Mauricio Ruiz}, title = {Convergent Finite Element Discretizations of the Density Gradient Equation for Quantum Semiconductors}, institution = {Fachbereich Mathematik}, series = {Berichte der Arbeitsgruppe Technomathematik (AGTM Report)}, number = {270}, year = {2007}, url = {http://nbn-resolving.de/urn:nbn:de:hbz:386-kluedo-14943}, }