On the effect of the domain geometry on uniqueness of positive solutions of Δu+u p =0
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 21 (1994) no. 3, p. 343-356 
@article{ASNSP_1994_4_21_3_343_0,
     author = {Zou, Henghui},
     title = {On the effect of the domain geometry on uniqueness of positive solutions of $\Delta u + u^p = 0$},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 21},
     number = {3},
     year = {1994},
     pages = {343-356},
     zbl = {0815.35031},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_1994_4_21_3_343_0}
}

Zou, Henghui. On the effect of the domain geometry on uniqueness of positive solutions of $\Delta u + u^p = 0$. Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 21 (1994) no. 3, pp. 343-356. http://www.numdam.org/item/ASNSP_1994_4_21_3_343_0/

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