@article{IM_1992__108_2_144005,
     author = {A. Hinkkanen},
     title = {A sharp form of {Nevanlinna's} second fundamental theorem.},
     journal = {Inventiones mathematicae},
     pages = {549--574},
     publisher = {mathdoc},
     volume = {108},
     number = {2},
     year = {1992},
     zbl = {0766.30025},
     url = {http://geodesic.mathdoc.fr/item/IM_1992__108_2_144005/}
}