Media type: E-Article Title: On the Second Variation of Free Energies and Nonlinear Fokker-Planck Equations Involving Periodic Variables Contributor: Frank, Till D. Published: Oxford University Press (OUP), 2003 Published in: Progress of Theoretical Physics Supplement, 150 (2003), Seite 48-56 Language: English DOI: 10.1143/ptps.150.48 ISSN: 0375-9687 Keywords: Physics and Astronomy (miscellaneous) Origination: Footnote: Access State: Open Access