A. I. Neishtadt, D. L. Vainshtein, A. A. Vasiliev, Hamiltonian Systems with Three or More Degrees of Freedom, 1999, 618
Yoshiyuki Y Yamaguchi, J Phys A Math Gen, 31:1 (1998), 195
C. Chandre, H. R. Jauslin, “A version of Thirring’s approach to the Kolmogorov–Arnold–Moser theorem for quadratic Hamiltonians with degenerate twist”, J Math Phys (N Y ), 39:11 (1998), 5856
C. Chandre, M. Govin, H. R. Jauslin, “Kolmogorov-Arnold-Moser renormalization-group approach to the breakup of invariant tori in Hamiltonian systems”, Phys Rev E, 57:2 (1998), 1536
О. И. Богоявленский, “Канонические формы инвариантных тензоров и $A$-$B$-$C$-когомологии интегрируемых гамильтоновых систем”, Матем. сб., 189:3 (1998), 3–44 ; O. I. Bogoyavlenskii, “Canonical forms for the invariant tensors and $A$-$B$-$C$-cohomologies of integrable Hamiltonian systems”, Sb. Math., 189:3 (1998), 315–357
C. Chandre, M. Govin, H. Jauslin, H. Koch, “Universality for the breakup of invariant tori in Hamiltonian flows”, Phys Rev E, 57:6 (1998), 6612
Alessandra Celletti, Claude Froeschlé, “Numerical investigation of the Break-down threshold for a restricted three-body problem”, Planetary and Space Science, 46:11-12 (1998), 1535
Alessandra Celletti, Luigi Chierchia, “KAM stability estimates in Celestial Mechanics”, Planetary and Space Science, 46:11-12 (1998), 1433
Antonio Giorgilli, “Classical constructive methods in KAM theory”, Planetary and Space Science, 46:11-12 (1998), 1441
Ugo Locatelli, “Three-body planetary problem: study of KAM stability for the secular part of the Hamiltonian”, Planetary and Space Science, 46:11-12 (1998), 1453