2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/66205Written with respect to an appropriate Poisson structure, a partially integrable Hamiltonian system is viewed as a completely integrable system with parameters. Then, the theorem on quasi-periodic stability in Ref. [1] (the KAM theorem) can be applied to this system.4 pagesDynamical SystemsMathematical Physics37J40; 70H08The quasi-periodic stability condition (the KAM theorem) for partially-integrable systemstext