Discussiones Mathematicae Graph Theory
Discussiones Mathematicae Graph Theory > 2003 > 23 > 2 > 215-225
Discussiones Mathematicae Graph Theory > 2007 > 27 > 2 > 269-279
Discussiones Mathematicae Graph Theory > 2014 > 34 > 1 > 151-166
Discussiones Mathematicae Graph Theory > 2014 > 34 > 1 > 187-191
Discussiones Mathematicae Graph Theory > 2016 > 36 > 3 > 723-741
Discussiones Mathematicae Graph Theory > 2016 > 36 > 3 > 629-641