Burq, N.
Georgiev, V.
Tzvetkov, N.
Visciglia, N.
Funding for this research was provided by:
Ministero dell’Istruzione, dell’Università e della Ricerca (PRIN grant 2020XB3EFL)
Agence Nationale de la Recherche (ANR-18-CE40-0020-01)
Article History
Received: 3 December 2021
Accepted: 24 October 2022
First Online: 8 November 2022