Discussiones Mathematicae Graph Theory
Discussiones Mathematicae Graph Theory > 2004 > 24 > 2 > 345-353
Discussiones Mathematicae Graph Theory > 2004 > 24 > 3 > 509-527
Discussiones Mathematicae Graph Theory > 2004 > 24 > 2 > 345-353
Discussiones Mathematicae Graph Theory > 2004 > 24 > 3 > 509-527