Benettin, G.; Galgani, L.; Giorgilli, A.; Strelcyn, J. M. (1980). "Lyapunov Characteristic Exponents for smooth dynamical systems and for hamiltonian systems; a method for computing all of them. Part 1: Theory". Meccanica. 15: 9–20. doi:10.1007/BF02128236. S2CID123085922.
Benettin, G.; Galgani, L.; Giorgilli, A.; Strelcyn, J. M. (1980). "Lyapunov Characteristic Exponents for smooth dynamical systems and for hamiltonian systems; A method for computing all of them. Part 2: Numerical application". Meccanica. 15: 21–30. doi:10.1007/BF02128237. S2CID117095512.
Benettin, G.; Galgani, L.; Giorgilli, A.; Strelcyn, J. M. (1980). "Lyapunov Characteristic Exponents for smooth dynamical systems and for hamiltonian systems; a method for computing all of them. Part 1: Theory". Meccanica. 15: 9–20. doi:10.1007/BF02128236. S2CID123085922.
Benettin, G.; Galgani, L.; Giorgilli, A.; Strelcyn, J. M. (1980). "Lyapunov Characteristic Exponents for smooth dynamical systems and for hamiltonian systems; A method for computing all of them. Part 2: Numerical application". Meccanica. 15: 21–30. doi:10.1007/BF02128237. S2CID117095512.