A note on extremal functions for sharp Sobolev inequalities. Barbosa, Ezequiel R.; Montenegro, Marcos — 2007 Electronic Journal of Differential Equations (EJDE) [electronic only]
The construction of principal spectral curves for Lane-Emden systems and applications Marcos Montenegro — 2000 Annali della Scuola Normale Superiore di Pisa - Classe di Scienze