Moeckel, Richard
Montgomery, Richard
Sánchez Morgado, Héctor
Funding for this research was provided by:
UC-Mexus (CN-16-78)
National Science Foundation (DMS-20030177)
Article History
Received: 19 June 2017
Revised: 26 February 2018
Accepted: 27 February 2018
First Online: 22 March 2018