Valdes JEN, Bittencurt LMLM. A Note on Bounded Solutions of a Generalized Lienard Type System. ASRJETS-Journal [Internet]. 2016 Feb. 27 [cited 2024 May 4];17(1):89-94. Available from: https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/1155