Discussiones Mathematicae Graph Theory
Discussiones Mathematicae Graph Theory > 2001 > 21 > 2 > 179-185
Discussiones Mathematicae Graph Theory > 2014 > 34 > 1 > 113-125
Discussiones Mathematicae Graph Theory > 2015 > 35 > 4 > 663-673
Discussiones Mathematicae Graph Theory > 2015 > 35 > 4 > 629-639
Discussiones Mathematicae Graph Theory > 2017 > 37 > 3 > 811-822