A. V. Tsiganov, “Change of the time for the periodic Toda lattices and natural systems on the plane with higher order integrals of motion”, Regul. Chaot. Dyn., 14, № 4-5, 2009, 541
Primitivo B. Acosta-Humánez, “Nonautonomous Hamiltonian Systems and Morales–Ramis Theory I. The Case $\ddot{x}=f(x,t)$”, SIAM J. Appl. Dyn. Syst., 8, № 1, 2009, 279
Maciej Błaszak, Krzysztof Marciniak, “On Reciprocal Equivalence of Stäckel Systems”, Stud Appl Math, 129, № 1, 2012, 26
Artur Sergyeyev, Maciej Błaszak, “Generalized Stäckel transform and reciprocal transformations for finite-dimensional integrable systems”, J. Phys. A: Math. Theor., 41, № 10, 2008, 105205
Tatsuya Kai, “Modeling and Passivity Analysis of Nonholonomic Hamiltonian Systems with Time-varying Affine Constraints”, IFAC Proceedings Volumes, 44, № 1, 2011, 13462
A.V. Tsiganov, “Transformation of the Stäckel matrices preserving superintegrability”, Journal of Mathematical Physics, 60, № 4, 2019, 042701
A. V. Tsiganov, 273, Recent Developments in Integrable Systems and Related Topics of Mathematical Physics, 2018, 47
A V Tsiganov, “Properties of the canonical transformations of the time for the Toda lattice and the Henon-Heiles system”, J. Phys. A: Math. Gen., 33, № 26, 2000, 4825