@article{10_4064_aa_32_1_63_71,
     author = {W. Brownawell and Michel Waldschmidt},
     title = {The algebraic independence of certain numbers to algebraic powers},
     journal = {Acta Arithmetica},
     pages = {63--71},
     publisher = {mathdoc},
     volume = {32},
     number = {1},
     year = {1977},
     doi = {10.4064/aa-32-1-63-71},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-32-1-63-71/}
}