@article{GDZPPN002384957,
title = {A problem concerning cluster sets of analytic functions.},
journal = {Mathematische Zeitschrift},
volume = {62},
year = {1955},
pages = {99-110},
zbl = {0065.30601},
url = {http://dml.mathdoc.fr/item/GDZPPN002384957}
}
Seidel, W.; Bagemihl, F. A problem concerning cluster sets of analytic functions.. Mathematische Zeitschrift, Tome 62 (1955) pp. 99-110. http://gdmltest.u-ga.fr/item/GDZPPN002384957/