Über die Werteverteilung in Winkelräumen
Math. Z. 77 (1961), 453--467.
BibTex references
@Article\{Hab61,
author = "Habetha, Klaus",
title = "Über die Werteverteilung in Winkelräumen",
journal = "Math. Z.",
volume = "77",
pages = "453--467",
year = "1961",
}