Capelle, KlausVignale, G.2004-12-142004-12-1420012001http://hdl.handle.net/2003/1882210.17877/DE290R-12643enThe American Physical SocietyPhysical Review Letters530Nonuniqueness of the Potentials of Spin-Density-Functional Theory10.1103/PhysRevLett.86.5546article (journal)