Paulo M. Guzman, Juan E. Napoles Valdes, Luciano M. Lugo. On the Boundedness of Some Nonlinear Differential Equation of Second Order. Int. J. Math. And Appl. [Internet]. 2015 Dec. 30 [cited 2024 May 19];3(4 - E):23-31. Available from: http://ijmaa.in/index.php/ijmaa/article/view/522