Kotoulas, Thomas, and E. Meletlidou. “3D Homogeneous and Axisymmetric Potentials Producing Two-Parametric Families of Orbits”. Discontinuity, Nonlinearity, and Complexity 12, no. 4 (December 1, 2023): 723–735. Accessed October 17, 2026. https://lhscientificpublishing.com/index.php/DNC/article/view/1621.