@article{AM2_1990__40_1_137362,
     author = {Keiji Nishioka and Kumiko Nishioka},
     title = {Algebraic independence of elementary functions and its application to {Masser's} vanishing theorem.},
     journal = {Aequationes mathematicae},
     pages = {67--77},
     publisher = {mathdoc},
     volume = {40},
     number = {1},
     year = {1990},
     zbl = {0723.11033},
     url = {http://geodesic.mathdoc.fr/item/AM2_1990__40_1_137362/}
}