Nastasi, Giovanni
Romano, Vittorio http://orcid.org/0000-0002-2967-6552
Funding for this research was provided by:
Istituto Nazionale di Alta Matematica “Francesco Severi” (Progetto Giovani GNFM)
Article History
Received: 16 January 2020
Revised: 16 June 2020
First Online: 6 July 2020