Sadovskii, Anton P., Tatsiana V. Makavetskaya, and Dmitry N. Cherginets. “The Radical of the Focal Values Ideal of the Complex Kukles System”. Journal of the Belarusian State University. Mathematics and Informatics, no. 2 (January 23, 2018): 4–11. Accessed July 19, 2026. https://journals.bsu.by/index.php/mathematics/article/view/742.