Discussiones Mathematicae - General Algebra and Applications
Discussiones Mathematicae - General Algebra and Applications > 2004 > 24 > 1 > 137-147
Discussiones Mathematicae - General Algebra and Applications > 2004 > 24 > 1 > 125-135
Discussiones Mathematicae - General Algebra and Applications > 2004 > 24 > 1 > 63-74
Discussiones Mathematicae - General Algebra and Applications > 2004 > 24 > 1 > 75-94
Discussiones Mathematicae - General Algebra and Applications > 2004 > 24 > 1 > 53-61
Discussiones Mathematicae - General Algebra and Applications > 2004 > 24 > 1 > 95-114
Discussiones Mathematicae - General Algebra and Applications > 2004 > 24 > 1 > 115-124
Discussiones Mathematicae - General Algebra and Applications > 2004 > 24 > 1 > 43-52
Discussiones Mathematicae - General Algebra and Applications > 2004 > 24 > 1 > 31-42