no. 1
Cauchy-Szegö integrals for systems of harmonic functions
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 3, Tome 26 (1972) no. 1, pp. 181-196. 
@article{ASNSP_1972_3_26_1_181_0,
     author = {Kor\'anyi, Adam and V\'agi, Stephen},
     title = {Cauchy-Szeg\"o integrals for systems of harmonic functions},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {181--196},
     publisher = {Scuola normale superiore},
     volume = {Ser. 3, 26},
     number = {1},
     year = {1972},
     zbl = {0247.44006},
     mrnumber = {390259},
     language = {en},
     url = {archive.numdam.org/item/ASNSP_1972_3_26_1_181_0/}
}
Korányi, Adam; Vági, Stephen. Cauchy-Szegö integrals for systems of harmonic functions. Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 3, Tome 26 (1972) no. 1, pp. 181-196. http://archive.numdam.org/item/ASNSP_1972_3_26_1_181_0/

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