@article{10_4064_ap102_3_2,
     author = {Jilong Zhang and Zongsheng Gao and Sheng Li},
     title = {Distribution of zeros and shared values of
 difference operators},
     journal = {Annales Polonici Mathematici},
     pages = {213--221},
     publisher = {mathdoc},
     volume = {102},
     number = {3},
     year = {2011},
     doi = {10.4064/ap102-3-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap102-3-2/}
}