Search results for: Hans-Jürgen Vogel
Discussiones Mathematicae - General Algebra and Applications > 2005 > 25 > 1 > 39-87
Discussiones Mathematicae - General Algebra and Applications > 2003 > 23 > 2 > 163-212
Discussiones Mathematicae - General Algebra and Applications > 2001 > 21 > 2 > 139-163