@article{10_4064_aa133_2_4,
     author = {Jan-Hendrik Evertse and Umberto Zannier},
     title = {Linear equations with unknowns from a
 multiplicative group in a function field},
     journal = {Acta Arithmetica},
     pages = {159--170},
     publisher = {mathdoc},
     volume = {133},
     number = {2},
     year = {2008},
     doi = {10.4064/aa133-2-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa133-2-4/}
}