[1]
“Symplectic analysis of deformations of slowly perturbed completely integrable finite-dimensional Hamiltonian systems and associated adiabatic invariants”, НК, vol. 2, no. 1, pp. 83–91, Mar. 1999, Accessed: Jan. 22, 2026. [Online]. Available: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/42