KNEŽEVIĆ-MILJANOVIĆ, Julka. ABOUT FINAL GROUPS OF TRANSFORMATIONS OF THE NONLINEAR DIFFERENTIAL EQUATION OF THE SECOND ORDER. Matematichki Bilten, [S. l.], v. 26, n. 1, p. 103–108, 2002. Disponível em: https://bilten.smm.org.mk/index.php/bilten/article/view/1656. Acesso em: 14 aug. 2026.