@article{10_4064_ap_26_2_109_113,
     author = {P. K. Jain and P. K. Kamthan},
     title = {On {Nevanlinna's} proximity functions of a meromorphic function},
     journal = {Annales Polonici Mathematici},
     pages = {109--113},
     publisher = {mathdoc},
     volume = {26},
     number = {2},
     year = {1972},
     doi = {10.4064/ap-26-2-109-113},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-26-2-109-113/}
}