@article{AANLMA_2002_9_13_2_a4,
     author = {Khalil, El Mehdi and Filomena, Pacella},
     title = {Morse index and blow-up points of solutions of some nonlinear problems},
     journal = {Atti della Accademia nazionale dei Lincei. Rendiconti Lincei. Matematica e applicazioni},
     pages = {101--105},
     publisher = {mathdoc},
     volume = {Ser. 9, 13},
     number = {2},
     year = {2002},
     language = {it},
     url = {https://geodesic-test.mathdoc.fr/item/AANLMA_2002_9_13_2_a4/}
}