Discussiones Mathematicae Graph Theory
Discussiones Mathematicae Graph Theory > 2012 > 32 > 1 > 141-151
Discussiones Mathematicae Graph Theory > 2012 > 32 > 4 > 617-627
Discussiones Mathematicae Graph Theory > 2012 > 32 > 1 > 141-151
Discussiones Mathematicae Graph Theory > 2012 > 32 > 4 > 617-627