Behling, Roger
Bello-Cruz, Yunier
Santos, Luiz-Rafael
Funding for this research was provided by:
Conselho Nacional de Desenvolvimento Científico e Tecnológico (304392/2018-9)
Conselho Nacional de Desenvolvimento Científico e Tecnológico (429915/2018-7)
Division of Mathematical Sciences (1816449)
Article History
Received: 6 January 2020
Accepted: 19 April 2020
First Online: 1 August 2020