Pineda, M. C.
Viloria, J.
Martínez-Casasnovas, J. A.
Valera, A.
Lobo, D.
Timm, L. C.
Pires, L. F.
Gabriels, D.
Funding for this research was provided by:
Abdus Salam International Centre for Theoretical Physics
Council of Scientific and Humanistic Development (CDCH) of the Universidad Central de Venezuela
Universidad de Lleida
Brazilian Research Council
the Venezuelan Organic Law for Science and Technology
Article History
Received: 5 November 2016
Accepted: 7 February 2018
First Online: 22 February 2018