viXra.org > Antônio Chicharo Prata Lisboa
[1] viXra:1907.0263 submitted on 2019-07-15 20:01:49, (404 unique-IP downloads)
Authors: Antônio Chicharo Prata Lisboa, Claudia Mazza Dias, Julio Henrique Lopes de Almeida Category: General Mathematics
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