@article{PMIHES_2012__116__69_0,
     author = {Kurkova, Irina and Raschel, Kilian},
     title = {On the functions counting walks with small steps in the quarter plane},
     journal = {Publications Math\'ematiques de l'IH\'ES},
     pages = {69--114},
     publisher = {Springer-Verlag},
     volume = {116},
     year = {2012},
     doi = {10.1007/s10240-012-0045-7},
     mrnumber = {3090255},
     zbl = {1255.05012},
     language = {en},
     url = {http://www.numdam.org/articles/10.1007/s10240-012-0045-7/}
}