Cabrera, Santiago, Edson D. Leonel, and Arturo C. Marti. “Regular and Chaotic Phase Space Fraction in the Double Pendulum”. Journal of Applied Nonlinear Dynamics 14, no. 3 (August 17, 2026): 645–655. Accessed August 17, 2026. https://lhscientificpublishing.com/index.php/jand/article/view/351.