| Copyright © 2011, R. Hilfer, Stuttgart | Content is made available under Creative Commons Attribution-NonCommercial-NoDerivs (CC BY-NC-ND) License; additional terms may apply. |  |
[page 150, §1]
The author thanks F. Doster for discussions.
He is grateful to the Deutsche Forschungsgemeinschaft and
the International Research and Training Group NUPUS for
financial support.
| Copyright © 2011, R. Hilfer, Stuttgart | Content is made available under Creative Commons Attribution-NonCommercial-NoDerivs (CC BY-NC-ND) License; additional terms may apply. | |