W1,N versus C1 local minimizers for elliptic functionals with critical growth in RN

Giacomoni, Jacques; Prashanth, S.; Sreenadh, K.

Comptes Rendus. Mathématique, Volume 347 (2009) p. 255-260

Sobolev versus Hölder local minimizers and existence of multiple solutions for a singular quasilinear equation

Giacomoni, Jacques; Schindler, Ian; Takáč, Peter

Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Volume 6 (2007) p. 117-158