VIDAV, D. S. Mitrinovitch et I. SUR UNE EQUATION DIFFERENTIELLE. Matematichki Bilten, [S. l.], v. 1, n. 1, 1950. Disponível em: https://bilten.smm.org.mk/index.php/bilten/article/view/1129. Acesso em: 13 jun. 2026.