1. Abraham, R., Marsden, J.: Foundations of Mechanics. Benjamin/Cummings, Reading, Mass. 1978, 806 p. Zbl. 397.70001
2. Arnol’d, V.I.: Mathematical Methods of Classical Mechanics. Nauka, Moscow 1974, 431 p. (English translation: Graduate Texts in Mathematics 60, Springer-Verlag, New York-Heidelberg-Berlin 1978, 462 p.). Zbl. 386.70001
3. Arnol’d, V.I.: Wave front evolution und equivariant Morse lemma. Commun. Pure Appl. Math. 29, 557–582 (1976). Zbl. 343.58003
4. Arnol’d, V.I.: Supplementary Chapters of the Theory of Ordinary Differential Equations. Nauka, Moscow 1978, 304 p. (English translation: Geometrical Methods in the Theory of Ordinary Differential Equations. Grundlehren der mathematischen Wissenschaften 250, Springer-Verlag, New York-Heidelberg-Berlin 1983, 334 p.). Zbl. 507.34003
5. Arnol’d, V.I.: Lagrange und Legendre cobordisms. I, II. Funkts. Anal. Prilozh. 14, No. 3, 1–13 (1980)