KNEŽEVIĆ-MILJANOVIĆ, J. ABOUT FINAL GROUPS OF TRANSFORMATIONS OF THE NONLINEAR DIFFERENTIAL EQUATION OF THE SECOND ORDER. Matematichki Bilten, [S. l.], v. 25, n. 1, 2001. Disponível em: https://bilten.smm.org.mk/index.php/bilten/article/view/1656. Acesso em: 13 jun. 2026.