Zabreiko, Petr P., and Svetlana V. Ponomareva. “On Continuous Solutions of the Cauchy Problem for Equations of Fractional Order”. Journal of the Belarusian State University. Mathematics and Informatics, no. 3 (January 19, 2019): 39–45. Accessed July 18, 2026. https://journals.bsu.by/index.php/mathematics/article/view/1011.