@article{GDZPPN002400561,
title = {Asymptotic Values of Functions Holomorphic in the Unit Disk.},
journal = {Mathematische Zeitschrift},
volume = {99},
year = {1967},
pages = {414-415},
zbl = {0154.32202},
url = {http://dml.mathdoc.fr/item/GDZPPN002400561}
}
Ryan, Frank B.; Barth, Karl F. Asymptotic Values of Functions Holomorphic in the Unit Disk.. Mathematische Zeitschrift, Tome 99 (1967) pp. 414-415. http://gdmltest.u-ga.fr/item/GDZPPN002400561/