Facchini, Alberto http://orcid.org/0000-0002-0144-0193
Finocchiaro, Carmelo Antonio
Funding for this research was provided by:
Dipartimento di Matematica "Tullio Levi-Civita" (DOR1828909)
Article History
Received: 22 July 2019
Accepted: 13 September 2019
First Online: 25 September 2019
Free to read: This content has been made available to all.