@article{10_4064_ap100_2_6,
     author = {Yong Liu and HongXun Yi},
     title = {On zeros of differences of meromorphic
functions},
     journal = {Annales Polonici Mathematici},
     pages = {167--178},
     publisher = {mathdoc},
     volume = {100},
     number = {2},
     year = {2011},
     doi = {10.4064/ap100-2-6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap100-2-6/}
}