Charles-Michel Marle, “Reduction of constrained mechanical systems and stability of relative equilibria”, Commun.Math. Phys., 174, no. 2, 1995, 295
Lawrence C. Evans, “A survey of partial differential equations methods in weak KAM theory”, Comm Pure Appl Math, 57, no. 4, 2004, 445
M. Lakshmanan, Nonlinear Physics, 1990, 54
José F Cariñena, José Fernández-Núñez, “The inverse of a singular linear transformation and some applications in constrained mechanics”, J. Phys. A: Math. Gen., 39, no. 34, 2006, 10755
Dmitry V. Zenkov, Anthony M. Bloch, Jerrold E. Marsden, “The energy-momentum method for the stability of non-holonomic systems”, Dynamics and Stability of Systems, 13, no. 2, 1998, 123
F. Casas, J. A. Oteo, J. Ros, 331, Hamiltonian Mechanics, 1994, 405
F. Varadi, B. Runnegar, M. Ghil, “Successive Refinements in Long‐Term Integrations of Planetary Orbits”, ApJ, 592, no. 1, 2003, 620
Christopher P. L. Berry, Robert H. Cole, Priscilla Cañizares, Jonathan R. Gair, “Importance of transient resonances in extreme-mass-ratio inspirals”, Phys. Rev. D, 94, no. 12, 2016, 124042
Richard Haberman, “Standard Form and a Method of Averaging for Strongly Nonlinear Oscillatory Dispersive Traveling Waves”, SIAM J. Appl. Math., 51, no. 6, 1991, 1638
Michiel Hazewinkel, Encyclopaedia of Mathematics, 1991, 375