viXra.org > María Isabel Zambrano Vélez
[1] viXra:1809.0219 submitted on 2018-09-12 03:17:21, (79 unique-IP downloads)
Authors: Ramona Parraga Alava, José Muñoz Murillo, Roy Barre Zambrano, María Isabel Zambrano Vélez, Maikel Leyva Vázquez Category: General Mathematics
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