no. 4
A semilinear equation in L 1 (ℝ N )
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 2 (1975) no. 4, pp. 523-555. 
@article{ASNSP_1975_4_2_4_523_0,
     author = {Benilan, Philippe and Brezis, Ha\"\i m and Crandall, Michael G.},
     title = {A semilinear equation in $L^1 (\mathbb {R}^N)$},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {523--555},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 2},
     number = {4},
     year = {1975},
     zbl = {0314.35077},
     mrnumber = {390473},
     language = {en},
     url = {archive.numdam.org/item/ASNSP_1975_4_2_4_523_0/}
}
Benilan, Philippe; Brezis, Haim; Crandall, Michael G. A semilinear equation in $L^1 (\mathbb {R}^N)$. Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 2 (1975) no. 4, pp. 523-555. http://archive.numdam.org/item/ASNSP_1975_4_2_4_523_0/

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