no. 3
Some regularity results for a family of variational inequalities
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 6 (1979) no. 3, pp. 497-510. 
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     author = {Torelli, Alessandro},
     title = {Some regularity results for a family of variational inequalities},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {497--510},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 6},
     number = {3},
     year = {1979},
     mrnumber = {553795},
     zbl = {0424.35037},
     language = {en},
     url = {http://archive.numdam.org/item/ASNSP_1979_4_6_3_497_0/}
}
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Torelli, Alessandro. Some regularity results for a family of variational inequalities. Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 6 (1979) no. 3, pp. 497-510. http://archive.numdam.org/item/ASNSP_1979_4_6_3_497_0/

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