ABASSY, Tamer Ahmed. Piecewise Analytic Method (Solving Any Nonlinear Ordinary Differential Equation of 1st Order with Any Initial Condition). International Journal of Applied Mathematical Research, [S. l.], v. 2, n. 1, p. 16–39, 2012. DOI: 10.14419/ijamr.v2i1.427. Disponível em: https://sciencepubco.com/index.php/ijamr/article/view/427.. Acesso em: 9 apr. 2025.