De Marchis, Francesca; Ianni, Isabella; Pacella, Filomena Morse index and sign-changing bubble towers for Lane-Emden problems. (English) Zbl 1338.35190 Ann. Mat. Pura Appl. (4) 195, No. 2, 357-369 (2016). MSC: 35J91 35B05 35B06 PDFBibTeX XMLCite \textit{F. De Marchis} et al., Ann. Mat. Pura Appl. (4) 195, No. 2, 357--369 (2016; Zbl 1338.35190) Full Text: DOI arXiv
Pacella, Filomena An existence theorem for some nonlinear quasi-elliptic equations. (English) Zbl 0506.35036 Ann. Mat. Pura Appl., IV. Ser. 131, 311-332 (1982). MSC: 35J60 35A05 35J30 PDFBibTeX XMLCite \textit{F. Pacella}, Ann. Mat. Pura Appl. (4) 131, 311--332 (1982; Zbl 0506.35036) Full Text: DOI