@article{JRAM_1993__440_153535,
     author = {Paul-Georg Becker},
     title = {Transcendence of the values of functions satisfying generalized {Mahler} type functional equations.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {111--128},
     publisher = {mathdoc},
     volume = {440},
     year = {1993},
     zbl = {0770.11037},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1993__440_153535/}
}