ABSTRACT
In this note we consider the behavior of action variables I in a system of canonical equations of Hamilton with the Hamiltonian H = H 0 ( I ) + εH 1 ( I , φ ) , ε ≪ 1, https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9781003069515/f3ef54a9-ca7f-48a5-bad6-5d54427f48cf/content/eq4807.tif"/>
