Funding for this research was provided by:
european commission (FPA-2016-2054)
ministerio de ciencia, innovación y universidades (PID2019-107392RB-I00)
departament de matemà tiques, universitat jaume i (UJI-B2018-04)
Article History
Accepted: 30 December 2021
First Online: 25 January 2022
Declarations
:
: The authors declare that they have no conflict of interest.
Free to read: This content has been made available to all.