https://mcrl2.org/web/doxygen/classmcrl2_1_1lps_1_1summand__base.html
mCRL2: mcrl2::lps::summand_base Class Reference
base classlpssummandreference
https://schlaumik.de/tag/fehlender-summand/
fehlender Summand – Online-Aufgaben | Schlaumik.de
fehlendersummandonlineaufgaben
https://avesis.anadolu.edu.tr/yayin/434b31a4-26e7-485b-80bb-861755cfb1fb/matrix-rings-with-the-summand-intersection-property
Matrix rings with the summand intersection property | AVESİS
matrix ringswith thesummandintersectionproperty
https://summandgroup.com/service-building-civil-works
Building & Civil Works — Summand Construction Group
Building of every type, built to last. We construct all types of buildings, infrastructure and civil works — residential, commercial and industrial —
civil worksbuildingsummandconstructiongroup
https://rhetos.de/html/lex/summand.htm
Summand (Alles was plusgerechnet wird ist ein Summand)
Summand: Rhetos Lexikon der Physik und der spekulativen Philosophie
summandalleswirdistein