@article{10_4064_ap108_3_6,
     author = {Hong-Yan Xu and Jin Tu and Xiu-Min Zheng},
     title = {Some properties of solutions of complex
 $q$-shift difference equations},
     journal = {Annales Polonici Mathematici},
     pages = {289--304},
     publisher = {mathdoc},
     volume = {108},
     number = {3},
     year = {2013},
     doi = {10.4064/ap108-3-6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap108-3-6/}
}