Backhoff Veraguas, Julio http://orcid.org/0000-0002-8521-9196
Silva, Francisco J.
Funding for this research was provided by:
Austrian Science Fund (Y782-N25)
European Research Council (FA506041)
Fondation Mathématique Jacques Hadamard
Article History
Received: 17 February 2017
Accepted: 14 December 2017
First Online: 8 February 2018