:*{{citation |first1 = Ralph |last1 = Abraham |author1-link = Ralph Abraham |first2 = Jerrold E. |last2 = Marsden |author2-link = Jerrold E. Marsden |title = 'Foundations of mechanics: a mathematical exposition of classical mechanics with an introduction to the qualitative theory of dynamical systems' |edition = 2nd |place = Providence, [RI.] |publisher = AMS Chelsea Pub. |year = 2008 |isbn = 978-0-8218-4438-0}}
:*{{citation |first1 = Vladimir I. |last1 = Arnold |author-link = Vladimir Arnold |first2 = K. |last2 = Vogtmann |first3 = A. (tr.) |last3 = Weinstein |title = 'Mathematical methods of classical mechanics / [Matematicheskie metody klassicheskoĭ mekhaniki]' |edition = 2nd |place = New York, [NY.] |publisher = Springer-Verlag |year = 1997 |isbn = 0-387-96890-3}}
