A canonic reduction for cotangent symplectic manifolds with a group action, and for the associated principal fiber bundles with connection. Neliniini Kolyvannya, [S. l.], v. 9, n. 1, p. 98–108, 2006. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/382. Acesso em: 22 jan. 2026.