- Marsden, J. E.
Hamiltonian systems with spin,
Canad. Math. Bull., 12, (1969), 203-208.
(pdf)
- Marsden, J. E.
Non smooth geodesic flows and classical mechanics,
Canad. Math. Bull., 12, (1969), 209-212.
(pdf)
- Ebin, D. G. and J. E. Marsden
Groups of diffeomorphisms and the solution of the classical Euler equations for a perfect fluid,
Bull. Amer. Math. Soc., (N. S.), 75, (1969), 962-967.
(pdf)
