CHRISTOV, O. Non-integrability of a system from the rigid body dynamics. Ann. Sofia Univ. Fac. Math. and Inf., [S. l.], v. 109, p. 57–69, 2022. DOI: 10.60063/gsu.fmi.109.57-69. Disponível em: https://annual.uni-sofia.bg/index.php/fmi/article/view/559. Acesso em: 16 nov. 2024.