Search results
Open Mathematics > 2016 > 14 > 1 > 324-337
Open Mathematics > 2014 > 12 > 6 > 896-910
Discussiones Mathematicae - General Algebra and Applications > 2014 > 34 > 2 > 191-201
Discussiones Mathematicae - General Algebra and Applications > 2013 > 33 > 2 > 233-247
Open Mathematics > 2011 > 9 > 6 > 1298-1311
Open Mathematics > 2011 > 9 > 6 > 1380-1388
Commentationes Mathematicae > 2011 > 51 > 1
Commentationes Mathematicae > 2010 > 50 > 2
Open Mathematics > 2007 > 5 > 3 > 484-492
Commentationes Mathematicae > 2007 > 47 > 1
Open Mathematics > 2005 > 3 > 1 > 83-97
Discussiones Mathematicae - General Algebra and Applications > 2004 > 24 > 1 > 63-74
Discussiones Mathematicae - General Algebra and Applications > 2003 > 23 > 2 > 115-123
Discussiones Mathematicae - General Algebra and Applications > 2001 > 21 > 2 > 229-237
Discussiones Mathematicae - General Algebra and Applications > 2000 > 20 > 1 > 87-95
Annales Polonici Mathematici > 1993 > 58 > 2 > 111-122