@article{BMMS_2008_31_1_a5,
     author = {Junfeng Xu and Hongxun Yi},
     title = {On {Uniqueness} of {Meromorphic} {Functions} with {Shared} {Four} {Values} in {Some} {Angular} {Domains}},
     journal = {Bulletin of the Malaysian Mathematical Society},
     year = {2008},
     volume = {31},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/BMMS_2008_31_1_a5/}
}