@article{10_4064_ap98_3_7,
     author = {Yan Xu and Huiling Qiu},
     title = {On the value distribution of differential
polynomials of meromorphic functions},
     journal = {Annales Polonici Mathematici},
     pages = {283--289},
     publisher = {mathdoc},
     volume = {98},
     number = {3},
     year = {2010},
     doi = {10.4064/ap98-3-7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap98-3-7/}
}