Leuştean, Laurenţiu https://orcid.org/0000-0003-4154-8761
Pinto, Pedro https://orcid.org/0000-0002-8761-523X
Funding for this research was provided by:
Romanian Ministry of Research and Innovation (15PFE/2018)
Fundação para a Ciência e Tecnologia (UID/MAT/04561/2019)
Article History
Received: 1 February 2020
Accepted: 5 January 2021
First Online: 25 February 2021