Chang, Yinshan; Long, Yiming; Wang, Jian

Annales de l'I.H.P. Analyse non linéaire, Volume 36 (2019) p. 75-102

Hyperbolic characteristics on star-shaped hypersurfaces

Liu, Chun-Gen; Long, Yiming

Annales de l'I.H.P. Analyse non linéaire, Volume 16 (1999) p. 725-746

The minimal period problem of classical hamiltonian systems with even potentials

Long, Yiming

Annales de l'I.H.P. Analyse non linéaire, Volume 10 (1993) p. 605-626

Periodic solutions of perturbed superquadratic hamiltonian systems

Long, Yiming

Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Volume 17 (1990) p. 35-77

On the density of the range for some nonlinear operators

Long, Yiming

Annales de l'I.H.P. Analyse non linéaire, Volume 6 (1989) p. 139-151