@techreport{Moeller2019,
  author    = {Bernhard M{\"o}ller},
  title     = {Basics of Modal Semirings and of Kleene / Omega Algebras},
  institution = {Fakult{\"a}t f{\"u}r Angewandte Informatik},
  series    = {Reports / Technische Berichte der Fakult{\"a}t f{\"u}r Angewandte Informatik der Universit{\"a}t Augsburg},
  number    = {2019-03},
  year      = {2019},
}