| Recent advances in the study of the existence of periodic orbits of Hamiltonian systems / by Antonio Ambrosetti |
| The direct method in the study of periodic solutions of Hamiltonian systems with prescribed period / by V. Benci |
| Periodic solutions of Hamiltonian systems having prescribed minimal period / by Giovanni Mancini |
| Duality in non convex variational problems / by Ivar and Jean-Michel Lasry |
| La théorie de la seconde variation et le problème linéaire quadratique / by Pierre Bernhard |
| Méthodes asymptotiques dans l'étude de systemes hamiltoniens non autonomes / by Joël Blot |
| Numerical research of periodic solutions for a Hamiltonian system / by Erick Gaussens |
| Recent advances in the study of the existence of periodic orbits of Hamiltonian systems / by Antonio Ambrosetti |
| The direct method in the study of periodic solutions of Hamiltonian systems with prescribed period / by V. Benci |
| Periodic solutions of Hamiltonian systems having prescribed minimal period / by Giovanni Mancini |
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