1. Nonlinear Analysis on Manifolds;Aubin,1982
2. Some nonlinear Problems in Riemannian Geometry;Aubin,1997
3. Équations différentielles non linéaires et probléms de Yamabe concernant la courbure scalaire;Aubin;J. Math. Pures Appl.,1976
4. Courbure scalaire prescrite;Aubin;Bull. Sci. Math.,1991
5. Critical points at infinity in some variational problems;Bahri,1989