@article{ASNSP_1994_4_21_3_387_0,
     author = {De Figueiredo, D. G. and Felmer, P. L.},
     title = {A {Liouville-type} theorem for elliptic systems},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {387--397},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 21},
     number = {3},
     year = {1994},
     zbl = {0820.35042},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_1994_4_21_3_387_0/}
}