H. A. Granada, J. A. Amador, G. Olivar, NONLINEAR DYNAMICS AND NON SMOOTH IN A MODEL OF SUSTAINABLE DEVELOPMENT WITH ECONOMIC EXCHANGE BETWEEN TWO SOCIETIES, Blucher Mechanical Engineering Proceedings, Volume 1, 2014, Pages 3347-3357, ISSN 23580828, http://dx.doi.org/10.5151/meceng-wccm2012-19341 (www.proceedings.blucher.com.br/article-details/nonlinear-dynamics-and-non-smooth-in-a-model-of-sustainable-development-with-economic-exchange-between-two-societies-9239) Palavras-chave:: ;