PRYKARPATSKY, Ya. A. Hamiltonian geometric connection associated with adiabatically perturbed Hamiltonian systems and the existence of adiabatic invariants. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 60, n. 3, p. 382–387, 2008. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3161. Acesso em: 27 apr. 2025.