@article{ASNSP_1985_4_12_2_191_0,
     author = {Kenig, Carlos E. and Ni, Wei-Ming},
     title = {On the elliptic equation $Lu - k + K \exp [2u] = 0$},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {191--224},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 12},
     number = {2},
     year = {1985},
     mrnumber = {829052},
     zbl = {0593.35044},
     language = {en},
     url = {http://archive.numdam.org/item/ASNSP_1985_4_12_2_191_0/}
}