@inbook{KutschRiemens+2004+4797+4824,
url = {https://doi.org/10.1515/9783598440885.4797},
title = {U},
booktitle = {Großes Sängerlexikon},
author = {Karl-Josef Kutsch and Leo Riemens},
publisher = {K. G. Saur},
address = {Berlin, Boston},
pages = {4797--4824},
doi = {doi:10.1515/9783598440885.4797},
isbn = {9783598440885},
year = {2004},
lastchecked = {2026-05-04}
}