Algebra universalis
Algebra universalis > 2011 > 65 > 1 > 61-72
Algebra universalis > 2011 > 65 > 1 > 9-19
Algebra universalis > 2011 > 65 > 1 > 21-39
Algebra universalis > 2011 > 65 > 1 > 41-60
Algebra universalis > 2011 > 65 > 1 > 1-7
Algebra universalis > 2011 > 65 > 1 > 91-108
Algebra universalis > 2011 > 65 > 1 > 73-89