Multiple Positive Solutions for a Critical Quasilinear Equation Via Morse Theory

Cingolani, Silvia; Vannella, Giuseppina

Annales de l'I.H.P. Analyse non linéaire, Volume 26 (2009) p. 397-413

Critical groups computations on a class of Sobolev Banach spaces via Morse index

Cingolani, Silvia; Vannella, Giuseppina

Annales de l'I.H.P. Analyse non linéaire, Volume 20 (2003) p. 271-292