About this article
Published Online: Apr 26, 2019
Page range: 57 - 60
Received: Feb 06, 2019
Accepted: Mar 22, 2019
DOI: https://doi.org/10.2478/AMNS.2019.1.00006
Keywords
© 2019 Amara Chandoul, published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
Chandoul, Amara
Departamento de Matemática, Universidade de Brasília, Campus Universitário Darcy RibeiroBrasília, Brazil