New completely integrable dispersion-free dynamical system of celestial type generated by vector fields on a torus. Neliniini Kolyvannya, [S. l.], v. 24, n. 1, p. 110–127, 2021. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/1018. Acesso em: 21 jan. 2026.