@article{10_4064_aa_78_2_189_199,
     author = {F. Beukers and H. Schlickewei},
     title = {The equation x+y=1 in finitely generated groups},
     journal = {Acta Arithmetica},
     pages = {189--199},
     publisher = {mathdoc},
     volume = {78},
     number = {2},
     year = {1996},
     doi = {10.4064/aa-78-2-189-199},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-78-2-189-199/}
}