Hamiltonian Perturbation Theory (and Transition to Chaos)
1989 ◽
Vol 40
(3)
◽
pp. 307-329
◽
2001 ◽
Vol 291
(2-3)
◽
pp. 146-149
◽
1990 ◽
Vol 41
(6)
◽
pp. 843-864
◽
2020 ◽
Vol 110
(8)
◽
pp. 2019-2038
◽