Figueiredo, Carolina
Natário, José http://orcid.org/0000-0003-0885-9867
Funding for this research was provided by:
Fundação para a Ciência e a Tecnologia (UID/MAT/04459/201, UIDB/MAT/04459/2020)
Fundação para a Ciência e a Tecnologia (PTDC/MAT-ANA/1275/2014)
Article History
Received: 28 April 2020
Accepted: 27 August 2020
First Online: 3 September 2020