@article{AM2_1976__14_136603,
     author = {J.H. Loxton and A.J. van der Poorten},
     title = {On algebraic functions satisfying a class of functional equations.},
     journal = {Aequationes mathematicae},
     pages = {413--420},
     publisher = {mathdoc},
     volume = {14},
     year = {1976},
     zbl = {0339.12002},
     url = {http://geodesic.mathdoc.fr/item/AM2_1976__14_136603/}
}