@article{10_4064_aa127_4_2,
     author = {Masaaki Amou and Tapani Matala-aho and Keijo V\"a\"an\"anen},
     title = {On {Siegel{\textendash}Shidlovskii's} theory for $q$-difference equations},
     journal = {Acta Arithmetica},
     pages = {309--335},
     publisher = {mathdoc},
     volume = {127},
     number = {4},
     year = {2007},
     doi = {10.4064/aa127-4-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa127-4-2/}
}