1. Abraham, R., Marsden, J.E.: Foundations of Mechanics, 2nd edn, revised and enlarged. With the assistance of Tudor Ratiu and Richard Cushman. Benjamin/Cummings Publishing Co., Inc., Advanced Book Program, Reading, MA (1978). Reprinted by Perseus Press, 1997
2. Abraham, R., Marsden, J.E., Ratiu, T.S.: Manifolds, Tensor Analysis, and Applications. Volume 75 of Applied Mathematical Sciences. Springer, Berlin (1988)
3. Arhangel’skiĭ A.A.: Completely integrable Hamiltonian systems on a group of triangular matrices. Math. USSR Sbornik 36(1), 127–134 (1980)
4. Arnal D., Currey B., Dali B.: Construction of canonical coordinates for exponential Lie groups. Trans. Am. Math. Soc. 361(12), 6283–6348 (2009)
5. Bernat, P., Conze, N., Duflo, M., Lévy-Nahas, M., Raïs, M., Renouard, P., Vergne, M.: Représentations des Groupes de Lie Résolubles, Monographies de la Société Mathématique de France, vol. 4. Dunod, Paris (1972)