no. 1
Approximation measures for logarithms of algebraic numbers
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 30 (2001) no. 1, pp. 225-249 
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     title = {Approximation measures for logarithms of algebraic numbers},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {225--249},
     year = {2001},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 30},
     number = {1},
     mrnumber = {1882030},
     zbl = {1008.11028},
     language = {en},
     url = {https://www.numdam.org/item/ASNSP_2001_4_30_1_225_0/}
}
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Amoroso, Francesco; Viola, Carlo. Approximation measures for logarithms of algebraic numbers. Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 30 (2001) no. 1, pp. 225-249. https://www.numdam.org/item/ASNSP_2001_4_30_1_225_0/

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