Barreira, Luis http://orcid.org/0000-0003-4655-5792
Valls, Claudia
Funding for this research was provided by:
Fundação para a Ciência e a Tecnologia (UID/MAT/04459/2019)
Article History
Received: 23 February 2021
Revised: 22 April 2021
Accepted: 7 May 2021
First Online: 17 May 2021