Fiedler, Bernold http://orcid.org/0000-0002-1141-8475
Rocha, Carlos
Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (SFB 910 A4)
Fundação para a Ciência e a Tecnologia (UID/MAT/04459/2013, UID/MAT/04459/2019)
Article History
Received: 15 July 2019
Revised: 25 January 2020
First Online: 16 April 2020