López-Saldívar, Julio A.
Castaños, Octavio
Man’ko, Margarita A.
Man’ko, Vladimir I.
Funding for this research was provided by:
Dirección General de Asuntos del Personal Académico, Universidad Nacional Autónoma de México (IN101619)
Article History
Received: 2 November 2018
Accepted: 12 May 2019
First Online: 17 May 2019