- Maciej Wojtkowski, “Principles for the design of billiards with nonvanishing Lyapunov exponents”, Commun.Math. Phys., 105, № 3, 1986, 391

- V. S. Varadarajan, Geometry of Quantum Theory, 1968, 1

- Thibault Damour, Orchidea Maria Lecian, “Statistical properties of cosmological billiards”, Phys. Rev. D, 83, № 4, 2011, 044038

- Jason Sanders, Dynamics of the Milky Way, 2015, 57

- Anis Bousclet, 20, Multi-Robot Systems - New Advances, 2023

- M. L. Bialy, L. V. Polterovich, “Lagrangian singularities of invariant tori of hamiltonian systems with two degrees of freedom”, Invent Math, 97, № 2, 1989, 291

- Ugo Locatelli, Antonio Giorgilli, New Developments in the Dynamics of Planetary Systems, 2001, 47

- Ute Dressler, “Symmetry property of the Lyapunov spectra of a class of dissipative dynamical systems with viscous damping”, Phys. Rev. A, 38, № 4, 1988, 2103

- Arkady L. Kholodenko, “Maxwell-Dirac Isomorphism Revisited: From Foundations of Quantum Mechanics to Geometrodynamics and Cosmology”, Universe, 9, № 6, 2023, 288

- M. Hazewinkel, Encyclopaedia of Mathematics, 1990, 361
