Discussiones Mathematicae Graph Theory
Discussiones Mathematicae Graph Theory > 2004 > 24 > 1 > 41-45
Discussiones Mathematicae Graph Theory > 2005 > 25 > 1-2 > 167-182
Discussiones Mathematicae Graph Theory > 2007 > 27 > 3 > 507-526
Discussiones Mathematicae Graph Theory > 2015 > 35 > 2 > 215-227
Discussiones Mathematicae Graph Theory > 2015 > 35 > 3 > 589-594
Discussiones Mathematicae Graph Theory > 2016 > 36 > 3 > 709-722
Discussiones Mathematicae Graph Theory > 2016 > 36 > 4 > 783-796