German Correa Velez, Diana Marcela Devia Narvaez, Diego Fernando Devia Narvaez
      Study of the dynamics of a Lienard system
      Contemporary Engineering Sciences, Vol. 11, 2018, no. 86, 4261-4268
      https://doi.org/10.12988/ces.2018.88391

Copyright © 2018 German Correa Velez, Diana Marcela Devia Narvaez and Diego Fernando Devia Narvaez. This article is distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.