@article{AFST_2011_6_20_S2_137_0,
     author = {Khoai, Ha Huy and Hoai An, Vu},
     title = {Value distribution problem for $p$-adic meromorphic functions and their derivatives},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {137--151},
     publisher = {Universit\'e Paul Sabatier, Institut de math\'ematiques},
     address = {Toulouse},
     volume = {Ser. 6, 20},
     number = {S2},
     year = {2011},
     doi = {10.5802/afst.1309},
     zbl = {1254.30077},
     mrnumber = {2858171},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/afst.1309/}
}