List of citations in Numdam for : Solutions of elliptic equations with indefinite nonlinearities via Morse theory and linking

Annales de l'I.H.P. Analyse non linéaire, Volume 13 (1996) no. 1, pp. 95-115.

Annales de l'I.H.P. Analyse non linéaire, Volume 26 (2009) no. 1, pp. 139-158.