SASHINKA WIMALADHARMA; DINUKA DE SILVA. Some Solution Methods for Lane-Emden Differential Equation when the Polytropic Index is Three. American Scientific Research Journal for Engineering, Technology, and Sciences, Jordan, v. 99, n. 1, p. 1–12, 2024. Disponível em: https://www.asrjetsjournal.org/American_Scientific_Journal/article/view/11066. Acesso em: 5 oct. 2025.