@Book{181198374X,
title="Rostocker Mathematisches Kolloquium",
year="1989",
address="Rostock",
issn="2363-6106",
doi="10.18453/rosdok_id00003861",
url="http://purl.uni-rostock.de/rosdok/id00003861",
url="https://doi.org/10.18453/rosdok_id00003861",
language="German"
}