no. 1
On the approximability of the logarithms of algebraic numbers
Séminaire Delange-Pisot-Poitou. Théorie des nombres, Tome 16 (1974-1975) no. 1, Exposé no. 19, 6 p. 
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     author = {Cijsouw, Pieter},
     title = {On the approximability of the logarithms of algebraic numbers},
     journal = {S\'eminaire Delange-Pisot-Poitou. Th\'eorie des nombres},
     note = {talk:19},
     publisher = {Secr\'etariat math\'ematique},
     volume = {16},
     number = {1},
     year = {1974-1975},
     zbl = {0324.10029},
     mrnumber = {401663},
     language = {en},
     url = {http://www.numdam.org/item/SDPP_1974-1975__16_1_A14_0/}
}
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Cijsouw, Pieter L. On the approximability of the logarithms of algebraic numbers. Séminaire Delange-Pisot-Poitou. Théorie des nombres, Tome 16 (1974-1975) no. 1, Exposé no. 19, 6 p. http://www.numdam.org/item/SDPP_1974-1975__16_1_A14_0/

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