@article{10_4064_ap108_3_7,
     author = {Yong Liu and Hongxun Yi},
     title = {On growth and zeros of differences of
 some meromorphic functions},
     journal = {Annales Polonici Mathematici},
     pages = {305--318},
     publisher = {mathdoc},
     volume = {108},
     number = {3},
     year = {2013},
     doi = {10.4064/ap108-3-7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap108-3-7/}
}