Düll, Wolf-Patrick
Schneider, Guido
Wayne, C. Eugene
Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (Schn520/3-1/2)
National Science Foundation (DMS-0908093)
National Science Foundation (DMS-1311553)
Article History
Received: 20 August 2013
Accepted: 22 September 2015
First Online: 7 October 2015