Cozma, Dumitru. “First Integrals in a Cubic Differential System With One Invariant Straight Line and One Invariant Cubic”. Acta et Commentationes Exact and Natural Sciences 16, no. 2 (January 17, 2024): 97-105. Accessed October 16, 2024. https://revistaust.upsc.md/index.php/acta_exacte/article/view/962.