Bibliografía (10 obras)
Universal algebra and coalgebra
2009
M-Solid Varieties of Algebras
2006
Galois connections and applications
2004
Algebra und Diskrete Mathematik für Informatiker
2003
Universal algebra and applications in theoretical computer science
2002
Hyperidentities and clones
2000
Algebraische Grundlagen der Arithmetik
1994
General algebra and applications
1993
Preprimal algebras
1982
