no. 1
Fatou's theorem for generalized halfplanes
Annali della Scuola Normale Superiore di Pisa - Scienze Fisiche e Matematiche, Série 3, Tome 22 (1968) no. 1, pp. 107-112. 
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     author = {Kor\'anyi, A. and Stein, E. M.},
     title = {Fatou's theorem for generalized halfplanes},
     journal = {Annali della Scuola Normale Superiore di Pisa - Scienze Fisiche e Matematiche},
     pages = {107--112},
     publisher = {Scuola normale superiore},
     volume = {Ser. 3, 22},
     number = {1},
     year = {1968},
     mrnumber = {279322},
     zbl = {0169.41402},
     language = {en},
     url = {http://archive.numdam.org/item/ASNSP_1968_3_22_1_107_0/}
}
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Korányi, A.; Stein, E. M. Fatou's theorem for generalized halfplanes. Annali della Scuola Normale Superiore di Pisa - Scienze Fisiche e Matematiche, Série 3, Tome 22 (1968) no. 1, pp. 107-112. http://archive.numdam.org/item/ASNSP_1968_3_22_1_107_0/

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