@book{FriedrichSchneider2019,
  author    = {Kasch Friedrich and Wolfgang Schneider},
  title     = {The Total of Modules and Rings},
  isbn      = {3-88927-112-X},
  doi       = {10.5282/ubm/epub.17966},
  url       = {https://epub.ub.uni-muenchen.de/17966/1/17966.pdf},
  year      = {2019},
}