Remarks on the maximum principle for nonlinear elliptic PDEs with quadratic growth conditions
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Serie 4, Volume 28 (1999) no. 3, p. 381-404 
@article{ASNSP_1999_4_28_3_381_0,
     author = {Barles, Guy and Blanc, Alain-Philippe and Georgelin, Christine and Kobylanski, Magdalena},
     title = {Remarks on the maximum principle for nonlinear elliptic PDEs with quadratic growth conditions},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 28},
     number = {3},
     year = {1999},
     pages = {381-404},
     zbl = {0940.35078},
     mrnumber = {1736522},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_1999_4_28_3_381_0}
}

Barles, Guy; Blanc, Alain-Philippe; Georgelin, Christine; Kobylanski, Magdalena. Remarks on the maximum principle for nonlinear elliptic PDEs with quadratic growth conditions. Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Serie 4, Volume 28 (1999) no. 3, pp. 381-404. http://www.numdam.org/item/ASNSP_1999_4_28_3_381_0/

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