@article{AFM_1996_21_1_a5,
     author = {Huaihui Chen and Peter Lappan},
     title = {Normal families, orders of zeros, and omitted values},
     journal = {Annales Fennici Mathematici},
     pages = {89--100},
     publisher = {mathdoc},
     volume = {21},
     number = {1},
     year = {1996},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AFM_1996_21_1_a5/}
}