Teodoro, A. Di
Ferreira, M. https://orcid.org/0000-0003-1816-8293
Vieira, N. https://orcid.org/0000-0001-8756-4893
Funding for this research was provided by:
Fundação para a Ciência e a Tecnologia (UID/MAT/04106/2019, IF/00271/2014)
Article History
Received: 17 January 2019
Accepted: 24 October 2019
First Online: 10 November 2019