Vasil G. Angelov. Spin 3-Body Problem with Radiation Terms (II)  Existence of Periodic Solutions of Spin Equations. Results in Nonlinear Analysis [Internet]. 2022 Nov. 7 [cited 2025 May 5];5(2):96-111. Available from: https://www.nonlinear-analysis.com/index.php/pub/article/view/97